12500192650 has 48 divisors (see below), whose sum is σ = 26856048960. Its totient is φ = 4278137600.

The previous prime is 12500192647. The next prime is 12500192671. The reversal of 12500192650 is 5629100521.

It is a super-2 number, since 2×12500192650² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 659110 + ... + 677809.

It is an arithmetic number, because the mean of its divisors is an integer number (559501020).

Almost surely, 2^12500192650 is an apocalyptic number.

12500192650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12500192650 is an abundant number, since it is smaller than the sum of its proper divisors (14355856310).

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

12500192650 is a wasteful number, since it uses less digits than its factorization.

12500192650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336959 (or 1336954 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 12500192650 in words is "twelve billion, five hundred million, one hundred ninety-two thousand, six hundred fifty".