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12031022132 = 229754756687
BaseRepresentation
bin10110011010001101…
…01101010000110100
31011001110111020201022
423031012231100310
5144114420202012
65305454320312
7604066000163
oct131506552064
934043436638
1012031022132
11511421aaa8
1223b91b9098
131199706b0c
14821bb53da
154a634c472
hex2cd1ad434

12031022132 has 24 divisors (see below), whose sum is σ = 21310606464. Its totient is φ = 5942506752.

The previous prime is 12031022057. The next prime is 12031022177. The reversal of 12031022132 is 23122013021.

It is a self number, because there is not a number n which added to its sum of digits gives 12031022132.

It is a congruent number.

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, 183893 + ... + 240579.

It is an arithmetic number, because the mean of its divisors is an integer number (887941936).

Almost surely, 212031022132 is an apocalyptic number.

It is an amenable number.

12031022132 is a deficient number, since it is larger than the sum of its proper divisors (9279584332).

12031022132 is a wasteful number, since it uses less digits than its factorization.

12031022132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57335 (or 57333 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 12031022132 its reverse (23122013021), we get a palindrome (35153035153).

The spelling of 12031022132 in words is "twelve billion, thirty-one million, twenty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 97 194 388 547 1094 2188 53059 56687 106118 113374 212236 226748 5498639 10997278 21994556 31007789 62015578 124031156 3007755533 6015511066 12031022132