12510971394498 has 96 divisors (see below), whose sum is σ = 29363848151040. Its totient is φ = 3834745943040.

The previous prime is 12510971394473. The next prime is 12510971394511. The reversal of 12510971394498 is 89449317901521.

12510971394498 is a `hidden beast` number, since 1 + 2 + 5 + 1 + 0 + 9 + 7 + 139 + 4 + 498 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7418943 + ... + 8947773.

It is an arithmetic number, because the mean of its divisors is an integer number (305873418240).

Almost surely, 2^{12510971394498} is an apocalyptic number.

12510971394498 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12510971394498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14681924075520).

12510971394498 is an abundant number, since it is smaller than the sum of its proper divisors (16852876756542).

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

12510971394498 is a wasteful number, since it uses less digits than its factorization.

12510971394498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1529472 (or 1529469 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 63.

The spelling of 12510971394498 in words is "twelve trillion, five hundred ten billion, nine hundred seventy-one million, three hundred ninety-four thousand, four hundred ninety-eight".