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12333131230220 = 2251736273915383
BaseRepresentation
bin1011001101111000011111…
…1001111110110000001100
31121200000222010021000021022
42303132013321332300030
53104031223043331340
642121432352253312
72412016326522653
oct263360771766014
947600863230238
1012333131230220
113a254a70677a9
1214722b0841238
136b6017524518
14308cd8d7219a
15165c2e0703b5
hexb3787e7ec0c

12333131230220 has 24 divisors (see below), whose sum is σ = 27423080030304. Its totient is φ = 4643061168896.

The previous prime is 12333131230141. The next prime is 12333131230297. The reversal of 12333131230220 is 2203213133321.

It is a super-2 number, since 2×123331312302202 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12333131230220.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18136957352 + ... + 18136958031.

It is an arithmetic number, because the mean of its divisors is an integer number (1142628334596).

Almost surely, 212333131230220 is an apocalyptic number.

12333131230220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12333131230220 is an abundant number, since it is smaller than the sum of its proper divisors (15089948800084).

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

12333131230220 is a wasteful number, since it uses less digits than its factorization.

12333131230220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36273915409 (or 36273915407 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 12333131230220 its reverse (2203213133321), we get a palindrome (14536344363541).

The spelling of 12333131230220 in words is "twelve trillion, three hundred thirty-three billion, one hundred thirty-one million, two hundred thirty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 36273915383 72547830766 145095661532 181369576915 362739153830 616656561511 725478307660 1233313123022 2466626246044 3083282807555 6166565615110 12333131230220