22012012020112 has 20 divisors (see below), whose sum is σ = 42648351943500. Its totient is φ = 11005985712128.

The previous prime is 22012012020043. The next prime is 22012012020149. The reversal of 22012012020112 is 21102021021022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9606429131776 + 12405582888336 = 3099424^2 + 3522156^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11687988 + ... + 13439980.

It is an arithmetic number, because the mean of its divisors is an integer number (2132417597175).

Almost surely, 2^{22012012020112} is an apocalyptic number.

It is an amenable number.

22012012020112 is a deficient number, since it is larger than the sum of its proper divisors (20636339923388).

22012012020112 is a wasteful number, since it uses less digits than its factorization.

22012012020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537250 (or 2537244 counting only the distinct ones).

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

Adding to 22012012020112 its reverse (21102021021022), we get a palindrome (43114033041134).

The spelling of 22012012020112 in words is "twenty-two trillion, twelve billion, twelve million, twenty thousand, one hundred twelve".