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12010211120 = 2457315713099
BaseRepresentation
bin10110010111101110…
…10100011100110000
31011000000022221101002
423023313110130300
5144044103223440
65303432301132
7603424052525
oct131367243460
934000287332
1012010211120
1151034a6416
1223b22417a8
1311952cb4cb
1481d11914c
154a45db115
hex2cbdd4730

12010211120 has 80 divisors (see below), whose sum is σ = 28488727200. Its totient is φ = 4707735552.

The previous prime is 12010211117. The next prime is 12010211149. The reversal of 12010211120 is 2111201021.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×120102111202 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 910331 + ... + 923429.

It is an arithmetic number, because the mean of its divisors is an integer number (356109090).

Almost surely, 212010211120 is an apocalyptic number.

12010211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12010211120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14244363600).

12010211120 is an abundant number, since it is smaller than the sum of its proper divisors (16478516080).

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

12010211120 is a wasteful number, since it uses less digits than its factorization.

12010211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13342 (or 13336 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12010211120 its reverse (2111201021), we get a palindrome (14121412141).

The spelling of 12010211120 in words is "twelve billion, ten million, two hundred eleven thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 40 73 80 146 157 292 314 365 584 628 730 785 1168 1256 1460 1570 2512 2920 3140 5840 6280 11461 12560 13099 22922 26198 45844 52396 57305 65495 91688 104792 114610 130990 183376 209584 229220 261980 458440 523960 916880 956227 1047920 1912454 2056543 3824908 4113086 4781135 7649816 8226172 9562270 10282715 15299632 16452344 19124540 20565430 32904688 38249080 41130860 76498160 82261720 150127639 164523440 300255278 600510556 750638195 1201021112 1501276390 2402042224 3002552780 6005105560 12010211120