212210022200 has 96 divisors (see below), whose sum is σ = 551369866320. Its totient is φ = 75285120000.

The previous prime is 212210022191. The next prime is 212210022209. The reversal of 212210022200 is 2220012212.

It is an interprime number because it is at equal distance from previous prime (212210022191) and next prime (212210022209).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210022209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1086131 + ... + 1266530.

Almost surely, 2^212210022200 is an apocalyptic number.

212210022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212210022200 is an abundant number, since it is smaller than the sum of its proper divisors (339159844120).

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

212210022200 is a wasteful number, since it uses less digits than its factorization.

212210022200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2352729 (or 2352720 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 212210022200 its reverse (2220012212), we get a palindrome (214430034412).

The spelling of 212210022200 in words is "two hundred twelve billion, two hundred ten million, twenty-two thousand, two hundred".