12629251934 has 32 divisors (see below), whose sum is σ = 21195457920. Its totient is φ = 5603657472.

The previous prime is 12629251933. The next prime is 12629251939. The reversal of 12629251934 is 43915292621.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12629251933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139739 + ... + 211625.

It is an arithmetic number, because the mean of its divisors is an integer number (662358060).

Almost surely, 2^12629251934 is an apocalyptic number.

12629251934 is a deficient number, since it is larger than the sum of its proper divisors (8566205986).

12629251934 is a wasteful number, since it uses less digits than its factorization.

12629251934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72164.

The product of its digits is 233280, while the sum is 44.

The spelling of 12629251934 in words is "twelve billion, six hundred twenty-nine million, two hundred fifty-one thousand, nine hundred thirty-four".