185147437012 has 12 divisors (see below), whose sum is σ = 341061068320. Its totient is φ = 87701417496.

The previous prime is 185147437003. The next prime is 185147437043. The reversal of 185147437012 is 210734741581.

It is a super-2 number, since 2×185147437012² (a number of 23 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 185147437012.

It is a congruent number.

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, 1218075168 + ... + 1218075319.

Almost surely, 2^185147437012 is an apocalyptic number.

It is an amenable number.

185147437012 is a deficient number, since it is larger than the sum of its proper divisors (155913631308).

185147437012 is a wasteful number, since it uses less digits than its factorization.

185147437012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436150510 (or 2436150508 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 43.

The spelling of 185147437012 in words is "one hundred eighty-five billion, one hundred forty-seven million, four hundred thirty-seven thousand, twelve".