212012112202100 has 72 divisors (see below), whose sum is σ = 536977060435200. Its totient is φ = 71143274113920.

The previous prime is 212012112202031. The next prime is 212012112202103. The reversal of 212012112202100 is 1202211210212.

It is a super-2 number, since 2×212012112202100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012112202103) 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, 3222035675 + ... + 3222101474.

Almost surely, 2^{212012112202100} is an apocalyptic number.

212012112202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212012112202100 is an abundant number, since it is smaller than the sum of its proper divisors (324964948233100).

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

212012112202100 is a wasteful number, since it uses less digits than its factorization.

212012112202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444137217 (or 6444137210 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212012112202100 its reverse (1202211210212), we get a palindrome (213214323412312).

The spelling of 212012112202100 in words is "two hundred twelve trillion, twelve billion, one hundred twelve million, two hundred two thousand, one hundred".