212130103020120 has 96 divisors (see below), whose sum is σ = 689448390199920. Its totient is φ = 56565930620160.

The previous prime is 212130103020107. The next prime is 212130103020167. The reversal of 212130103020120 is 21020301031212.

212130103020120 is a `hidden beast` number, since 21 + 21 + 301 + 0 + 302 + 0 + 1 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212130103020093 and 212130103020102.

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, 1183639 + ... + 20631558.

Almost surely, 2^{212130103020120} is an apocalyptic number.

212130103020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212130103020120 is an abundant number, since it is smaller than the sum of its proper divisors (477318287179800).

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

212130103020120 is a wasteful number, since it uses less digits than its factorization.

212130103020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21842225 (or 21842218 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 212130103020120 its reverse (21020301031212), we get a palindrome (233150404051332).

The spelling of 212130103020120 in words is "two hundred twelve trillion, one hundred thirty billion, one hundred three million, twenty thousand, one hundred twenty".