212000122210100 has 72 divisors (see below), whose sum is σ = 526593521774208. Its totient is φ = 72570564662400.

The previous prime is 212000122210007. The next prime is 212000122210153. The reversal of 212000122210100 is 1012221000212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239540327 + ... + 240423726.

Almost surely, 2^{212000122210100} is an apocalyptic number.

212000122210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212000122210100 is an abundant number, since it is smaller than the sum of its proper divisors (314593399564108).

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

212000122210100 is a wasteful number, since it uses less digits than its factorization.

212000122210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479964705 (or 479964698 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212000122210100 its reverse (1012221000212), we get a palindrome (213012343210312).

The spelling of 212000122210100 in words is "two hundred twelve trillion, one hundred twenty-two million, two hundred ten thousand, one hundred".