210000012212120 has 32 divisors (see below), whose sum is σ = 508846183438320. Its totient is φ = 77538466047360.

The previous prime is 210000012212077. The next prime is 210000012212153. The reversal of 210000012212120 is 21212210000012.

It is a junction number, because it is equal to n+sod(n) for n = 210000012212095 and 210000012212104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201923088146 + ... + 201923089185.

Almost surely, 2^{210000012212120} is an apocalyptic number.

210000012212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210000012212120 is an abundant number, since it is smaller than the sum of its proper divisors (298846171226200).

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

210000012212120 is a wasteful number, since it uses less digits than its factorization.

210000012212120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403846177355 (or 403846177351 counting only the distinct ones).

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

Adding to 210000012212120 its reverse (21212210000012), we get a palindrome (231212222212132).

The spelling of 210000012212120 in words is "two hundred ten trillion, twelve million, two hundred twelve thousand, one hundred twenty".