212133213300 has 72 divisors (see below), whose sum is σ = 613868522400. Its totient is φ = 56559969920.

The previous prime is 212133213289. The next prime is 212133213323. The reversal of 212133213300 is 3312331212.

212133213300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1981546 + ... + 2085854.

It is an arithmetic number, because the mean of its divisors is an integer number (8525951700).

Almost surely, 2^212133213300 is an apocalyptic number.

212133213300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212133213300 is an abundant number, since it is smaller than the sum of its proper divisors (401735309100).

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

212133213300 is a wasteful number, since it uses less digits than its factorization.

212133213300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111105 (or 111098 counting only the distinct ones).

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

Adding to 212133213300 its reverse (3312331212), we get a palindrome (215445544512).

The spelling of 212133213300 in words is "two hundred twelve billion, one hundred thirty-three million, two hundred thirteen thousand, three hundred".