32222031121312 has 72 divisors (see below), whose sum is σ = 65674860598368. Its totient is φ = 15561486322560.

The previous prime is 32222031121309. The next prime is 32222031121339. The reversal of 32222031121312 is 21312113022223.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15081573 + ... + 17085019.

It is an arithmetic number, because the mean of its divisors is an integer number (912150841644).

Almost surely, 2^{32222031121312} is an apocalyptic number.

32222031121312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32222031121312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32837430299184).

32222031121312 is an abundant number, since it is smaller than the sum of its proper divisors (33452829477056).

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

32222031121312 is a wasteful number, since it uses less digits than its factorization.

32222031121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004042 (or 2004003 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 32222031121312 its reverse (21312113022223), we get a palindrome (53534144143535).

The spelling of 32222031121312 in words is "thirty-two trillion, two hundred twenty-two billion, thirty-one million, one hundred twenty-one thousand, three hundred twelve".