22012120002 has 32 divisors (see below), whose sum is σ = 44350473600. Its totient is φ = 7283098368.

The previous prime is 22012119971. The next prime is 22012120021. The reversal of 22012120002 is 20002121022.

It is a self number, because there is not a number n which added to its sum of digits gives 22012120002.

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, 938899 + ... + 962057.

It is an arithmetic number, because the mean of its divisors is an integer number (1385952300).

Almost surely, 2^22012120002 is an apocalyptic number.

22012120002 is an abundant number, since it is smaller than the sum of its proper divisors (22338353598).

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

22012120002 is a wasteful number, since it uses less digits than its factorization.

22012120002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24330.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22012120002 its reverse (20002121022), we get a palindrome (42014241024).

The spelling of 22012120002 in words is "twenty-two billion, twelve million, one hundred twenty thousand, two".