22202012112 has 120 divisors (see below), whose sum is σ = 67564425600. Its totient is φ = 6263083008.

The previous prime is 22202012099. The next prime is 22202012197. The reversal of 22202012112 is 21121020222.

It is a junction number, because it is equal to n+sod(n) for n = 22202012091 and 22202012100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126064 + ... + 245552.

It is an arithmetic number, because the mean of its divisors is an integer number (563036880).

Almost surely, 2^22202012112 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 22202012112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33782212800).

22202012112 is an abundant number, since it is smaller than the sum of its proper divisors (45362413488).

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

22202012112 is a wasteful number, since it uses less digits than its factorization.

22202012112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119593 (or 119580 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22202012112 its reverse (21121020222), we get a palindrome (43323032334).

The spelling of 22202012112 in words is "twenty-two billion, two hundred two million, twelve thousand, one hundred twelve".