223112212120 has 64 divisors (see below), whose sum is σ = 573785052480. Its totient is φ = 76486557696.

The previous prime is 223112212093. The next prime is 223112212157. The reversal of 223112212120 is 21212211322.

223112212120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223112212120³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2583072 + ... + 2668048.

It is an arithmetic number, because the mean of its divisors is an integer number (8965391445).

Almost surely, 2^223112212120 is an apocalyptic number.

223112212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223112212120 is an abundant number, since it is smaller than the sum of its proper divisors (350672840360).

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

223112212120 is a wasteful number, since it uses less digits than its factorization.

223112212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94372 (or 94368 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 223112212120 its reverse (21212211322), we get a palindrome (244324423442).

The spelling of 223112212120 in words is "two hundred twenty-three billion, one hundred twelve million, two hundred twelve thousand, one hundred twenty".