32151215122 has 64 divisors (see below), whose sum is σ = 53275791744. Its totient is φ = 14462945280.

The previous prime is 32151215119. The next prime is 32151215147. The reversal of 32151215122 is 22151215123.

It is a happy number.

It is a super-2 number, since 2×32151215122² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76368472 + ... + 76368892.

It is an arithmetic number, because the mean of its divisors is an integer number (832434246).

Almost surely, 2^32151215122 is an apocalyptic number.

32151215122 is a deficient number, since it is larger than the sum of its proper divisors (21124576622).

32151215122 is a wasteful number, since it uses less digits than its factorization.

32151215122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923.

The product of its digits is 1200, while the sum is 25.

Subtracting from 32151215122 its reverse (22151215123), we obtain a palindrome (9999999999).

The spelling of 32151215122 in words is "thirty-two billion, one hundred fifty-one million, two hundred fifteen thousand, one hundred twenty-two".