20012212020112 has 40 divisors (see below), whose sum is σ = 43953947461760. Its totient is φ = 8750278938240.

The previous prime is 20012212020109. The next prime is 20012212020113. The reversal of 20012212020112 is 21102021221002.

It is a happy number.

It is a super-3 number, since 3×20012212020112³ (a number of 41 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (20012212020113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2531905464 + ... + 2531913367.

It is an arithmetic number, because the mean of its divisors is an integer number (1098848686544).

Almost surely, 2^{20012212020112} is an apocalyptic number.

It is an amenable number.

20012212020112 is an abundant number, since it is smaller than the sum of its proper divisors (23941735441648).

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

20012212020112 is a wasteful number, since it uses less digits than its factorization.

20012212020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063818871 (or 5063818865 counting only the distinct ones).

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

Adding to 20012212020112 its reverse (21102021221002), we get a palindrome (41114233241114).

The spelling of 20012212020112 in words is "twenty trillion, twelve billion, two hundred twelve million, twenty thousand, one hundred twelve".