212300232220 has 24 divisors (see below), whose sum is σ = 446093275824. Its totient is φ = 84870038016.

The previous prime is 212300232173. The next prime is 212300232233. The reversal of 212300232220 is 22232003212.

It is a super-2 number, since 2×212300232220² (a number of 23 digits) contains 22 as substring.

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, 3093642 + ... + 3161521.

It is an arithmetic number, because the mean of its divisors is an integer number (18587219826).

Almost surely, 2^212300232220 is an apocalyptic number.

212300232220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212300232220 is an abundant number, since it is smaller than the sum of its proper divisors (233793043604).

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

212300232220 is a wasteful number, since it uses less digits than its factorization.

212300232220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256869 (or 6256867 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 212300232220 its reverse (22232003212), we get a palindrome (234532235432).

The spelling of 212300232220 in words is "two hundred twelve billion, three hundred million, two hundred thirty-two thousand, two hundred twenty".