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12031013132 = 2212671237373
BaseRepresentation
bin10110011010001101…
…01011000100001100
31011001110110210100222
423031012223010030
5144114414410012
65305454210512
7604065632015
oct131506530414
934043423328
1012031013132
115114214266
1223b91b3a38
1311997029a8
14821bb200c
154a6349972
hex2cd1ab10c

12031013132 has 12 divisors (see below), whose sum is σ = 21056023296. Its totient is φ = 6015006480.

The previous prime is 12031013087. The next prime is 12031013153. The reversal of 12031013132 is 23131013021.

It is a self number, because there is not a number n which added to its sum of digits gives 12031013132.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68003 + ... + 169370.

It is an arithmetic number, because the mean of its divisors is an integer number (1754668608).

Almost surely, 212031013132 is an apocalyptic number.

It is an amenable number.

12031013132 is a deficient number, since it is larger than the sum of its proper divisors (9025010164).

12031013132 is a wasteful number, since it uses less digits than its factorization.

12031013132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250048 (or 250046 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12031013132 its reverse (23131013021), we get a palindrome (35162026153).

The spelling of 12031013132 in words is "twelve billion, thirty-one million, thirteen thousand, one hundred thirty-two".

Divisors: 1 2 4 12671 25342 50684 237373 474746 949492 3007753283 6015506566 12031013132