210122012112112 has 40 divisors (see below), whose sum is σ = 431097447028752. Its totient is φ = 98872156800000.

The previous prime is 210122012112053. The next prime is 210122012112149. The reversal of 210122012112112 is 211211210221012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 210122012112112.

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, 31270339 + ... + 37390882.

Almost surely, 2^{210122012112112} is an apocalyptic number.

It is an amenable number.

210122012112112 is an abundant number, since it is smaller than the sum of its proper divisors (220975434916640).

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

210122012112112 is a wasteful number, since it uses less digits than its factorization.

210122012112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68672497 (or 68672491 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 210122012112112 its reverse (211211210221012), we get a palindrome (421333222333124).

The spelling of 210122012112112 in words is "two hundred ten trillion, one hundred twenty-two billion, twelve million, one hundred twelve thousand, one hundred twelve".