32120331612 has 24 divisors (see below), whose sum is σ = 74960723712. Its totient is φ = 10704879600.

The previous prime is 32120331577. The next prime is 32120331613. The reversal of 32120331612 is 21613302123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32120331613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165814 + ... + 302877.

It is an arithmetic number, because the mean of its divisors is an integer number (3123363488).

Almost surely, 2^32120331612 is an apocalyptic number.

It is an amenable number.

32120331612 is an abundant number, since it is smaller than the sum of its proper divisors (42840392100).

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

32120331612 is a wasteful number, since it uses less digits than its factorization.

32120331612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474409 (or 474407 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 32120331612 its reverse (21613302123), we get a palindrome (53733633735).

The spelling of 32120331612 in words is "thirty-two billion, one hundred twenty million, three hundred thirty-one thousand, six hundred twelve".