22102122210012 has 72 divisors (see below), whose sum is σ = 60191539808400. Its totient is φ = 6797866625280.

The previous prime is 22102122209987. The next prime is 22102122210041. The reversal of 22102122210012 is 21001222120122.

It is a happy number.

22102122210012 is a `hidden beast` number, since 221 + 0 + 212 + 221 + 0 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 8531262 + ... + 10816037.

It is an arithmetic number, because the mean of its divisors is an integer number (835993608450).

Almost surely, 2^{22102122210012} is an apocalyptic number.

It is an amenable number.

22102122210012 is an abundant number, since it is smaller than the sum of its proper divisors (38089417598388).

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

22102122210012 is a wasteful number, since it uses less digits than its factorization.

22102122210012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19349763 (or 19349758 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22102122210012 its reverse (21001222120122), we get a palindrome (43103344330134).

The spelling of 22102122210012 in words is "twenty-two trillion, one hundred two billion, one hundred twenty-two million, two hundred ten thousand, twelve".