210120212012120 has 64 divisors (see below), whose sum is σ = 473804765137440. Its totient is φ = 83864262988800.

The previous prime is 210120212012093. The next prime is 210120212012171. The reversal of 210120212012120 is 21210212021012.

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, 130018964 + ... + 131625116.

Almost surely, 2^{210120212012120} is an apocalyptic number.

210120212012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210120212012120 is an abundant number, since it is smaller than the sum of its proper divisors (263684553125320).

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

210120212012120 is a wasteful number, since it uses less digits than its factorization.

210120212012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613316 (or 1613312 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 210120212012120 its reverse (21210212021012), we get a palindrome (231330424033132).

The spelling of 210120212012120 in words is "two hundred ten trillion, one hundred twenty billion, two hundred twelve million, twelve thousand, one hundred twenty".