212332021320 has 64 divisors (see below), whose sum is σ = 637027312320. Its totient is φ = 56619094784.

The previous prime is 212332021229. The next prime is 212332021379. The reversal of 212332021320 is 23120233212.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3898999 + ... + 3953081.

It is an arithmetic number, because the mean of its divisors is an integer number (9953551755).

Almost surely, 2^212332021320 is an apocalyptic number.

212332021320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212332021320 is an abundant number, since it is smaller than the sum of its proper divisors (424695291000).

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

212332021320 is a wasteful number, since it uses less digits than its factorization.

212332021320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86814 (or 86810 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 212332021320 its reverse (23120233212), we get a palindrome (235452254532).

The spelling of 212332021320 in words is "two hundred twelve billion, three hundred thirty-two million, twenty-one thousand, three hundred twenty".