1021012012202 has 32 divisors (see below), whose sum is σ = 1892279757312. Its totient is φ = 402345160704.

The previous prime is 1021012012199. The next prime is 1021012012259. The reversal of 1021012012202 is 2022102101201.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10867538 + ... + 10961085.

It is an arithmetic number, because the mean of its divisors is an integer number (59133742416).

Almost surely, 2^{1021012012202} is an apocalyptic number.

1021012012202 is a deficient number, since it is larger than the sum of its proper divisors (871267745110).

1021012012202 is a wasteful number, since it uses less digits than its factorization.

1021012012202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21828902.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1021012012202 its reverse (2022102101201), we get a palindrome (3043114113403).

The spelling of 1021012012202 in words is "one trillion, twenty-one billion, twelve million, twelve thousand, two hundred two".