212022103200 has 72 divisors (see below), whose sum is σ = 690131953728. Its totient is φ = 56539226880.

The previous prime is 212022103127. The next prime is 212022103211. The reversal of 212022103200 is 2301220212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 212022103200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44168872 + ... + 44173671.

It is an arithmetic number, because the mean of its divisors is an integer number (9585166024).

Almost surely, 2^212022103200 is an apocalyptic number.

212022103200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212022103200 is an abundant number, since it is smaller than the sum of its proper divisors (478109850528).

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

212022103200 is a wasteful number, since it uses less digits than its factorization.

212022103200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88342566 (or 88342553 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 212022103200 its reverse (2301220212), we get a palindrome (214323323412).

The spelling of 212022103200 in words is "two hundred twelve billion, twenty-two million, one hundred three thousand, two hundred".