212133220330 has 32 divisors (see below), whose sum is σ = 382475520000. Its totient is φ = 84712131072.

The previous prime is 212133220319. The next prime is 212133220367. The reversal of 212133220330 is 33022331212.

212133220330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 18564999 + ... + 18576421.

It is an arithmetic number, because the mean of its divisors is an integer number (11952360000).

Almost surely, 2^212133220330 is an apocalyptic number.

212133220330 is a deficient number, since it is larger than the sum of its proper divisors (170342299670).

212133220330 is a wasteful number, since it uses less digits than its factorization.

212133220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14358.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 212133220330 its reverse (33022331212), we get a palindrome (245155551542).

The spelling of 212133220330 in words is "two hundred twelve billion, one hundred thirty-three million, two hundred twenty thousand, three hundred thirty".