20212012111202 has 4 divisors (see below), whose sum is σ = 30318018166806. Its totient is φ = 10106006055600.

The previous prime is 20212012111189. The next prime is 20212012111289. The reversal of 20212012111202 is 20211121021202.

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., 15499331212561 + 4712680898641 = 3936919^2 + 2170871^2 .

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 as a sum of consecutive naturals, namely, 5053003027799 + ... + 5053003027802.

Almost surely, 2^{20212012111202} is an apocalyptic number.

20212012111202 is a deficient number, since it is larger than the sum of its proper divisors (10106006055604).

20212012111202 is a wasteful number, since it uses less digits than its factorization.

20212012111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10106006055603.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20212012111202 its reverse (20211121021202), we get a palindrome (40423133132404).

The spelling of 20212012111202 in words is "twenty trillion, two hundred twelve billion, twelve million, one hundred eleven thousand, two hundred two".