20012112100202 has 16 divisors (see below), whose sum is σ = 30181070029824. Its totient is φ = 9951775350000.

The previous prime is 20012112100181. The next prime is 20012112100213. The reversal of 20012112100202 is 20200121121002.

It is a super-2 number, since 2×20012112100202² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2969174 + ... + 6988577.

It is an arithmetic number, because the mean of its divisors is an integer number (1886316876864).

Almost surely, 2^{20012112100202} is an apocalyptic number.

20012112100202 is a deficient number, since it is larger than the sum of its proper divisors (10168957929622).

20012112100202 is a wasteful number, since it uses less digits than its factorization.

20012112100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9963205.

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

Adding to 20012112100202 its reverse (20200121121002), we get a palindrome (40212233221204).

The spelling of 20012112100202 in words is "twenty trillion, twelve billion, one hundred twelve million, one hundred thousand, two hundred two".