1012020021202 has 8 divisors (see below), whose sum is σ = 1518763740300. Its totient is φ = 505765441104.

The previous prime is 1012020021157. The next prime is 1012020021239. The reversal of 1012020021202 is 2021200202101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 794221398481 + 217798622721 = 891191^2 + 466689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122279577 + ... + 122287852.

Almost surely, 2^{1012020021202} is an apocalyptic number.

1012020021202 is a deficient number, since it is larger than the sum of its proper divisors (506743719098).

1012020021202 is a wasteful number, since it uses less digits than its factorization.

1012020021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244569500.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1012020021202 its reverse (2021200202101), we get a palindrome (3033220223303).

The spelling of 1012020021202 in words is "one trillion, twelve billion, twenty million, twenty-one thousand, two hundred two".