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12101213231310 = 2357173389695583
BaseRepresentation
bin1011000000011000100010…
…0001000001100011001110
31120211212100100121222112010
42300012020201001203032
53041231241041400220
641423115352522050
72356166226204360
oct260061041014316
946755310558463
1012101213231310
113946106433605
1214353679b0326
1369a1a7677078
142db9b7c14d30
1515eba890b1e0
hexb01888418ce

12101213231310 has 64 divisors (see below), whose sum is σ = 35144363814912. Its totient is φ = 2603286206976.

The previous prime is 12101213231291. The next prime is 12101213231339. The reversal of 12101213231310 is 1313231210121.

It is a super-2 number, since 2×121012132313102 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1694844222 + ... + 1694851361.

It is an arithmetic number, because the mean of its divisors is an integer number (549130684608).

Almost surely, 212101213231310 is an apocalyptic number.

12101213231310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101213231310 is an abundant number, since it is smaller than the sum of its proper divisors (23043150583602).

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

12101213231310 is a wasteful number, since it uses less digits than its factorization.

12101213231310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3389695617.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 12101213231310 its reverse (1313231210121), we get a palindrome (13414444441431).

The spelling of 12101213231310 in words is "twelve trillion, one hundred one billion, two hundred thirteen million, two hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 70 85 102 105 119 170 210 238 255 357 510 595 714 1190 1785 3570 3389695583 6779391166 10169086749 16948477915 20338173498 23727869081 33896955830 47455738162 50845433745 57624824911 71183607243 101690867490 115249649822 118639345405 142367214486 172874474733 237278690810 288124124555 345748949466 355918036215 403373774377 576248249110 711836072430 806747548754 864372373665 1210121323131 1728744747330 2016868871885 2420242646262 4033737743770 6050606615655 12101213231310