32121212988 has 12 divisors (see below), whose sum is σ = 74949497000. Its totient is φ = 10707070992.

The previous prime is 32121212987. The next prime is 32121212993. The reversal of 32121212988 is 88921212123.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121212987) 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, 1338383863 + ... + 1338383886.

Almost surely, 2^32121212988 is an apocalyptic number.

It is an amenable number.

32121212988 is an abundant number, since it is smaller than the sum of its proper divisors (42828284012).

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

32121212988 is a wasteful number, since it uses less digits than its factorization.

32121212988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676767756 (or 2676767754 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The spelling of 32121212988 in words is "thirty-two billion, one hundred twenty-one million, two hundred twelve thousand, nine hundred eighty-eight".