20012201112112 has 40 divisors (see below), whose sum is σ = 42449044618512. Its totient is φ = 9064083302400.

The previous prime is 20012201112089. The next prime is 20012201112139. The reversal of 20012201112112 is 21121110221002.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202273833 + ... + 202372744.

Almost surely, 2^{20012201112112} is an apocalyptic number.

20012201112112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20012201112112 is an abundant number, since it is smaller than the sum of its proper divisors (22436843506400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20012201112112 is a wasteful number, since it uses less digits than its factorization.

20012201112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404646877 (or 404646871 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20012201112112 its reverse (21121110221002), we get a palindrome (41133311333114).

The spelling of 20012201112112 in words is "twenty trillion, twelve billion, two hundred one million, one hundred twelve thousand, one hundred twelve".