72328130122 has 8 divisors (see below), whose sum is σ = 109610671716. Its totient is φ = 35791239552.

The previous prime is 72328130117. The next prime is 72328130179. The reversal of 72328130122 is 22103182327.

It can be written as a sum of positive squares in 2 ways, for example, as 71653117761 + 675012361 = 267681^2 + 25981^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186412513 + ... + 186412900.

Almost surely, 2^72328130122 is an apocalyptic number.

72328130122 is a deficient number, since it is larger than the sum of its proper divisors (37282541594).

72328130122 is a wasteful number, since it uses less digits than its factorization.

72328130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372825512.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 72328130122 in words is "seventy-two billion, three hundred twenty-eight million, one hundred thirty thousand, one hundred twenty-two".