212333132220 has 96 divisors (see below), whose sum is σ = 659213807616. Its totient is φ = 50630841600.

The previous prime is 212333132191. The next prime is 212333132237. The reversal of 212333132220 is 22231333212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2596764 + ... + 2677283.

It is an arithmetic number, because the mean of its divisors is an integer number (6866810496).

Almost surely, 2^212333132220 is an apocalyptic number.

212333132220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212333132220 is an abundant number, since it is smaller than the sum of its proper divisors (446880675396).

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

212333132220 is a wasteful number, since it uses less digits than its factorization.

212333132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5274131 (or 5274129 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 212333132220 its reverse (22231333212), we get a palindrome (234564465432).

The spelling of 212333132220 in words is "two hundred twelve billion, three hundred thirty-three million, one hundred thirty-two thousand, two hundred twenty".