12931000026 has 32 divisors (see below), whose sum is σ = 29565959040. Its totient is φ = 3693398016.

The previous prime is 12931000013. The next prime is 12931000057. The reversal of 12931000026 is 62000013921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89530 + ... + 184058.

It is an arithmetic number, because the mean of its divisors is an integer number (923936220).

Almost surely, 2^12931000026 is an apocalyptic number.

12931000026 is an abundant number, since it is smaller than the sum of its proper divisors (16634959014).

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

12931000026 is a wasteful number, since it uses less digits than its factorization.

12931000026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97798.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 12931000026 its reverse (62000013921), we get a palindrome (74931013947).

The spelling of 12931000026 in words is "twelve billion, nine hundred thirty-one million, twenty-six", and thus it is an aban number.