32121212992 has 28 divisors (see below), whose sum is σ = 69535127376. Its totient is φ = 14600551040.

The previous prime is 32121212987. The next prime is 32121212993. The reversal of 32121212992 is 29921212123.

It is not an unprimeable number, because it can be changed into a prime (32121212993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22812658 + ... + 22814065.

Almost surely, 2^32121212992 is an apocalyptic number.

32121212992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32121212992 is an abundant number, since it is smaller than the sum of its proper divisors (37413914384).

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

32121212992 is a wasteful number, since it uses less digits than its factorization.

32121212992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45626746 (or 45626736 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The spelling of 32121212992 in words is "thirty-two billion, one hundred twenty-one million, two hundred twelve thousand, nine hundred ninety-two".