22000122110212 has 12 divisors (see below), whose sum is σ = 38668336898380. Its totient is φ = 10952025853536.

The previous prime is 22000122110209. The next prime is 22000122110257. The reversal of 22000122110212 is 21201122100022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10566959470596 + 11433162639616 = 3250686^2 + 3381296^2 .

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, 12008799363 + ... + 12008801194.

Almost surely, 2^{22000122110212} is an apocalyptic number.

It is an amenable number.

22000122110212 is a deficient number, since it is larger than the sum of its proper divisors (16668214788168).

22000122110212 is a wasteful number, since it uses less digits than its factorization.

22000122110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24017600790 (or 24017600788 counting only the distinct ones).

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

Adding to 22000122110212 its reverse (21201122100022), we get a palindrome (43201244210234).

The spelling of 22000122110212 in words is "twenty-two trillion, one hundred twenty-two million, one hundred ten thousand, two hundred twelve".