201220023102012 has 36 divisors (see below), whose sum is σ = 509798135006160. Its totient is φ = 66920554374912.

The previous prime is 201220023101969. The next prime is 201220023102023. The reversal of 201220023102012 is 210201320022102.

201220023102012 is a `hidden beast` number, since 20 + 12 + 200 + 231 + 0 + 201 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 6366094773 + ... + 6366126380.

Almost surely, 2^{201220023102012} is an apocalyptic number.

It is an amenable number.

201220023102012 is an abundant number, since it is smaller than the sum of its proper divisors (308578111904148).

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

201220023102012 is a wasteful number, since it uses less digits than its factorization.

201220023102012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12732221602 (or 12732221597 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 201220023102012 its reverse (210201320022102), we get a palindrome (411421343124114).

The spelling of 201220023102012 in words is "two hundred one trillion, two hundred twenty billion, twenty-three million, one hundred two thousand, twelve".