12490135008 has 192 divisors, whose sum is σ = 38257857792. Its totient is φ = 3532677120.

The previous prime is 12490134997. The next prime is 12490135033. The reversal of 12490135008 is 80053109421.

It is a self number, because there is not a number n which added to its sum of digits gives 12490135008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 905443 + ... + 919133.

It is an arithmetic number, because the mean of its divisors is an integer number (199259676).

Almost surely, 2^12490135008 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 12490135008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19128928896).

12490135008 is an abundant number, since it is smaller than the sum of its proper divisors (25767722784).

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

12490135008 is a wasteful number, since it uses less digits than its factorization.

12490135008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13777 (or 13769 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The spelling of 12490135008 in words is "twelve billion, four hundred ninety million, one hundred thirty-five thousand, eight".