1012020221202 has 16 divisors (see below), whose sum is σ = 2025054006912. Its totient is φ = 337171146320.

The previous prime is 1012020221141. The next prime is 1012020221239. The reversal of 1012020221202 is 2021220202101.

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, 42218874 + ... + 42242837.

It is an arithmetic number, because the mean of its divisors is an integer number (126565875432).

Almost surely, 2^{1012020221202} is an apocalyptic number.

1012020221202 is an abundant number, since it is smaller than the sum of its proper divisors (1013033785710).

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

1012020221202 is a wasteful number, since it uses less digits than its factorization.

1012020221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84463713.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1012020221202 its reverse (2021220202101), we get a palindrome (3033240423303).

The spelling of 1012020221202 in words is "one trillion, twelve billion, twenty million, two hundred twenty-one thousand, two hundred two".