2012021112202 has 4 divisors (see below), whose sum is σ = 3018031668306. Its totient is φ = 1006010556100.

The previous prime is 2012021112181. The next prime is 2012021112263. The reversal of 2012021112202 is 2022111202102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1780834201441 + 231186910761 = 1334479^2 + 480819^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 503005278049 + ... + 503005278052.

Almost surely, 2^{2012021112202} is an apocalyptic number.

2012021112202 is a deficient number, since it is larger than the sum of its proper divisors (1006010556104).

2012021112202 is a wasteful number, since it uses less digits than its factorization.

2012021112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006010556103.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2012021112202 its reverse (2022111202102), we get a palindrome (4034132314304).

The spelling of 2012021112202 in words is "two trillion, twelve billion, twenty-one million, one hundred twelve thousand, two hundred two".