210210212100120 has 64 divisors (see below), whose sum is σ = 631630051165440. Its totient is φ = 55967219683200.

The previous prime is 210210212100101. The next prime is 210210212100169. The reversal of 210210212100120 is 21001212012012.

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 210210212100120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1388000166 + ... + 1388151605.

It is an arithmetic number, because the mean of its divisors is an integer number (9869219549460).

Almost surely, 2^{210210212100120} is an apocalyptic number.

210210212100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210210212100120 is an abundant number, since it is smaller than the sum of its proper divisors (421419839065320).

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

210210212100120 is a wasteful number, since it uses less digits than its factorization.

210210212100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776152416 (or 2776152412 counting only the distinct ones).

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

Adding to 210210212100120 its reverse (21001212012012), we get a palindrome (231211424112132).

The spelling of 210210212100120 in words is "two hundred ten trillion, two hundred ten billion, two hundred twelve million, one hundred thousand, one hundred twenty".