212222201200 has 60 divisors (see below), whose sum is σ = 510364197448. Its totient is φ = 84805574400.

The previous prime is 212222201153. The next prime is 212222201227. The reversal of 212222201200 is 2102222212.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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, 148579 + ... + 668221.

Almost surely, 2^212222201200 is an apocalyptic number.

212222201200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212222201200 is an abundant number, since it is smaller than the sum of its proper divisors (298141996248).

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

212222201200 is a wasteful number, since it uses less digits than its factorization.

212222201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520682 (or 520671 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 212222201200 its reverse (2102222212), we get a palindrome (214324423412).

The spelling of 212222201200 in words is "two hundred twelve billion, two hundred twenty-two million, two hundred one thousand, two hundred".