12500312076 has 144 divisors (see below), whose sum is σ = 38226988800. Its totient is φ = 3368082816.

The previous prime is 12500312039. The next prime is 12500312087. The reversal of 12500312076 is 67021300521.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 294355 + ... + 334133.

It is an arithmetic number, because the mean of its divisors is an integer number (265465200).

Almost surely, 2^12500312076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12500312076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19113494400).

12500312076 is an abundant number, since it is smaller than the sum of its proper divisors (25726676724).

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

12500312076 is a wasteful number, since it uses less digits than its factorization.

12500312076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39868 (or 39863 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

Adding to 12500312076 its reverse (67021300521), we get a palindrome (79521612597).

The spelling of 12500312076 in words is "twelve billion, five hundred million, three hundred twelve thousand, seventy-six".