212222312320120 has 32 divisors (see below), whose sum is σ = 477631276395120. Its totient is φ = 84865622941440.

The previous prime is 212222312320093. The next prime is 212222312320181. The reversal of 212222312320120 is 21023213222212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728039541 + ... + 728330980.

Almost surely, 2^{212222312320120} is an apocalyptic number.

212222312320120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212222312320120 is an abundant number, since it is smaller than the sum of its proper divisors (265408964075000).

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

212222312320120 is a wasteful number, since it uses less digits than its factorization.

212222312320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456374175 (or 1456374171 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 212222312320120 its reverse (21023213222212), we get a palindrome (233245525542332).

The spelling of 212222312320120 in words is "two hundred twelve trillion, two hundred twenty-two billion, three hundred twelve million, three hundred twenty thousand, one hundred twenty".