22000012120112 has 80 divisors (see below), whose sum is σ = 46773643982688. Its totient is φ = 9961489674240.

The previous prime is 22000012120109. The next prime is 22000012120159. The reversal of 22000012120112 is 21102121000022.

It is a super-2 number, since 2×22000012120112² (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 15 ways as a sum of consecutive naturals, for example, 154628687 + ... + 154770897.

Almost surely, 2^{22000012120112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000012120112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23386821991344).

22000012120112 is an abundant number, since it is smaller than the sum of its proper divisors (24773631862576).

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

22000012120112 is a wasteful number, since it uses less digits than its factorization.

22000012120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156318 (or 156312 counting only the distinct ones).

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

Adding to 22000012120112 its reverse (21102121000022), we get a palindrome (43102133120134).

The spelling of 22000012120112 in words is "twenty-two trillion, twelve million, one hundred twenty thousand, one hundred twelve".