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12010211010 = 234572339091
BaseRepresentation
bin10110010111101110…
…10100011011000010
31011000000022221020000
423023313110123002
5144044103223020
65303432300430
7603424052310
oct131367243302
934000287200
1012010211010
1151034a6326
1223b2241716
1311952cb445
1481d1190b0
154a45db090
hex2cbdd46c2

12010211010 has 160 divisors (see below), whose sum is σ = 37070047872. Its totient is φ = 2733108480.

The previous prime is 12010211009. The next prime is 12010211023. The reversal of 12010211010 is 1011201021.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12010210983 and 12010211001.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1316565 + ... + 1325655.

Almost surely, 212010211010 is an apocalyptic number.

12010211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12010211010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18535023936).

12010211010 is an abundant number, since it is smaller than the sum of its proper divisors (25059836862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12010211010 is a wasteful number, since it uses less digits than its factorization.

12010211010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9350 (or 9341 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12010211010 its reverse (1011201021), we get a palindrome (13021412031).

The spelling of 12010211010 in words is "twelve billion, ten million, two hundred eleven thousand, ten".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 90 105 126 135 162 189 210 233 270 315 378 405 466 567 630 699 810 945 1134 1165 1398 1631 1890 2097 2330 2835 3262 3495 4194 4893 5670 6291 6990 8155 9091 9786 10485 12582 14679 16310 18182 18873 20970 24465 27273 29358 31455 37746 44037 45455 48930 54546 62910 63637 73395 81819 88074 90910 94365 127274 132111 136365 146790 163638 188730 190911 220185 245457 264222 272730 318185 381822 409095 440370 490914 572733 636370 660555 736371 818190 954555 1145466 1227285 1321110 1472742 1718199 1909110 2118203 2454570 2863665 3436398 3681855 4236406 5154597 5727330 6354609 7363710 8590995 10309194 10591015 12709218 14827421 17181990 19063827 21182030 25772985 29654842 31773045 38127654 44482263 51545970 57191481 63546090 74137105 88964526 95319135 114382962 133446789 148274210 171574443 190638270 222411315 266893578 285957405 343148886 400340367 444822630 571914810 667233945 800680734 857872215 1201021101 1334467890 1715744430 2001701835 2402042202 4003403670 6005105505 12010211010