202120010112 has 64 divisors (see below), whose sum is σ = 551391620400. Its totient is φ = 65552431104.

The previous prime is 202120010107. The next prime is 202120010143. The reversal of 202120010112 is 211010021202.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7098687 + ... + 7127102.

Almost surely, 2^202120010112 is an apocalyptic number.

It is an amenable number.

202120010112 is an abundant number, since it is smaller than the sum of its proper divisors (349271610288).

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

202120010112 is a wasteful number, since it uses less digits than its factorization.

202120010112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14225843 (or 14225831 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 202120010112 its reverse (211010021202), we get a palindrome (413130031314).

The spelling of 202120010112 in words is "two hundred two billion, one hundred twenty million, ten thousand, one hundred twelve".