32121133320 has 32 divisors (see below), whose sum is σ = 96363400320. Its totient is φ = 8565635520.

The previous prime is 32121133313. The next prime is 32121133397. The reversal of 32121133320 is 2333112123.

It is a super-2 number, since 2×32121133320² (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 7 ways as a sum of consecutive naturals, for example, 133837936 + ... + 133838175.

It is an arithmetic number, because the mean of its divisors is an integer number (3011356260).

Almost surely, 2^32121133320 is an apocalyptic number.

32121133320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32121133320 is an abundant number, since it is smaller than the sum of its proper divisors (64242267000).

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

32121133320 is a wasteful number, since it uses less digits than its factorization.

32121133320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267676125 (or 267676121 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 32121133320 its reverse (2333112123), we get a palindrome (34454245443).

The spelling of 32121133320 in words is "thirty-two billion, one hundred twenty-one million, one hundred thirty-three thousand, three hundred twenty".