212120121010200 has 96 divisors (see below), whose sum is σ = 708154865552400. Its totient is φ = 52214183631360.

The previous prime is 212120121010169. The next prime is 212120121010271. The reversal of 212120121010200 is 2010121021212.

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 212120121010200.

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, 13597435855 + ... + 13597451454.

Almost surely, 2^{212120121010200} is an apocalyptic number.

212120121010200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212120121010200 is an abundant number, since it is smaller than the sum of its proper divisors (496034744542200).

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

212120121010200 is a wasteful number, since it uses less digits than its factorization.

212120121010200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27194887341 (or 27194887332 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212120121010200 its reverse (2010121021212), we get a palindrome (214130242031412).

The spelling of 212120121010200 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred twenty-one million, ten thousand, two hundred".