210122012112120 has 48 divisors (see below), whose sum is σ = 682896539365560. Its totient is φ = 56032536563136.

The previous prime is 210122012112053. The next prime is 210122012112149. The reversal of 210122012112120 is 21211210221012.

210122012112120 is a `hidden beast` number, since 21 + 0 + 1 + 220 + 1 + 211 + 212 + 0 = 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 = 210122012112093 and 210122012112102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291836127574 + ... + 291836128293.

Almost surely, 2^{210122012112120} is an apocalyptic number.

210122012112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210122012112120 is an abundant number, since it is smaller than the sum of its proper divisors (472774527253440).

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

210122012112120 is a wasteful number, since it uses less digits than its factorization.

210122012112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 583672255884 (or 583672255877 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 210122012112120 its reverse (21211210221012), we get a palindrome (231333222333132).

The spelling of 210122012112120 in words is "two hundred ten trillion, one hundred twenty-two billion, twelve million, one hundred twelve thousand, one hundred twenty".