12523501474 has 16 divisors (see below), whose sum is σ = 20494899936. Its totient is φ = 5691973600.

The previous prime is 12523501439. The next prime is 12523501517. The reversal of 12523501474 is 47410532521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314769 + ... + 352315.

It is an arithmetic number, because the mean of its divisors is an integer number (1280931246).

Almost surely, 2^12523501474 is an apocalyptic number.

12523501474 is a deficient number, since it is larger than the sum of its proper divisors (7971398462).

12523501474 is a wasteful number, since it uses less digits than its factorization.

12523501474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52721.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 12523501474 in words is "twelve billion, five hundred twenty-three million, five hundred one thousand, four hundred seventy-four".