1012021220202 has 32 divisors (see below), whose sum is σ = 2072681730240. Its totient is φ = 329245741440.

The previous prime is 1012021220173. The next prime is 1012021220207. The reversal of 1012021220202 is 2020221202101.

1012021220202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1012021220207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143877 + ... + 1825512.

It is an arithmetic number, because the mean of its divisors is an integer number (64771304070).

Almost surely, 2^{1012021220202} is an apocalyptic number.

1012021220202 is an abundant number, since it is smaller than the sum of its proper divisors (1060660510038).

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

1012021220202 is a wasteful number, since it uses less digits than its factorization.

1012021220202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970758.

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

Adding to 1012021220202 its reverse (2020221202101), we get a palindrome (3032242422303).

The spelling of 1012021220202 in words is "one trillion, twelve billion, twenty-one million, two hundred twenty thousand, two hundred two".