201012102021210 has 128 divisors (see below), whose sum is σ = 488426480271360. Its totient is φ = 52941795532800.

The previous prime is 201012102021179. The next prime is 201012102021319. The reversal of 201012102021210 is 12120201210102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201012102021210.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 657301599 + ... + 657607341.

It is an arithmetic number, because the mean of its divisors is an integer number (3815831877120).

Almost surely, 2^{201012102021210} is an apocalyptic number.

201012102021210 is an abundant number, since it is smaller than the sum of its proper divisors (287414378250150).

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

201012102021210 is a wasteful number, since it uses less digits than its factorization.

201012102021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306764.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 201012102021210 its reverse (12120201210102), we get a palindrome (213132303231312).

The spelling of 201012102021210 in words is "two hundred one trillion, twelve billion, one hundred two million, twenty-one thousand, two hundred ten".