19372599122 has 6 divisors (see below), whose sum is σ = 29059193943. Its totient is φ = 9686201142.

The previous prime is 19372599109. The next prime is 19372599131. The reversal of 19372599122 is 22199527391.

It can be written as a sum of positive squares in only one way, i.e., 9686299561 + 9686299561 = 98419^2 + 98419^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=98419.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 147629 + ... + 246047.

Almost surely, 2^19372599122 is an apocalyptic number.

19372599122 is a deficient number, since it is larger than the sum of its proper divisors (9686594821).

19372599122 is an frugal number, since it uses more digits than its factorization.

19372599122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196840 (or 98421 counting only the distinct ones).

The product of its digits is 612360, while the sum is 50.

Multiplying 19372599122 by its sum of digits (50), we get a square (968629956100 = 984190²).

The spelling of 19372599122 in words is "nineteen billion, three hundred seventy-two million, five hundred ninety-nine thousand, one hundred twenty-two".