12371921598 has 32 divisors (see below), whose sum is σ = 26344150560. Its totient is φ = 3859937280.

The previous prime is 12371921563. The next prime is 12371921641. The reversal of 12371921598 is 89512917321.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316603 + ... + 353526.

It is an arithmetic number, because the mean of its divisors is an integer number (823254705).

Almost surely, 2^12371921598 is an apocalyptic number.

12371921598 is an abundant number, since it is smaller than the sum of its proper divisors (13972228962).

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

12371921598 is a wasteful number, since it uses less digits than its factorization.

12371921598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670332.

The product of its digits is 272160, while the sum is 48.

The spelling of 12371921598 in words is "twelve billion, three hundred seventy-one million, nine hundred twenty-one thousand, five hundred ninety-eight".