32121492722 has 54 divisors (see below), whose sum is σ = 54477739911. Its totient is φ = 14193872000.

The previous prime is 32121492709. The next prime is 32121492731. The reversal of 32121492722 is 22729412123.

It can be written as a sum of positive squares in 5 ways, for example, as 4892862601 + 27228630121 = 69949^2 + 165011^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=126731.

It is a super-3 number, since 3×32121492722³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 114311222 + ... + 114311502.

Almost surely, 2^32121492722 is an apocalyptic number.

32121492722 is a deficient number, since it is larger than the sum of its proper divisors (22356247189).

32121492722 is an equidigital number, since it uses as much as digits as its factorization.

32121492722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 335 counting only the distinct ones).

The product of its digits is 24192, while the sum is 35.

The spelling of 32121492722 in words is "thirty-two billion, one hundred twenty-one million, four hundred ninety-two thousand, seven hundred twenty-two".