22222101210012 has 48 divisors (see below), whose sum is σ = 62850387264000. Its totient is φ = 6733970063280.

The previous prime is 22222101210007. The next prime is 22222101210061. The reversal of 22222101210012 is 21001210122222.

It is a happy number.

22222101210012 is a `hidden beast` number, since 222 + 221 + 0 + 1 + 210 + 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 15 ways as a sum of consecutive naturals, for example, 9352735012 + ... + 9352737387.

It is an arithmetic number, because the mean of its divisors is an integer number (1309383068000).

Almost surely, 2^{22222101210012} is an apocalyptic number.

22222101210012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22222101210012 is an abundant number, since it is smaller than the sum of its proper divisors (40628286053988).

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

22222101210012 is a wasteful number, since it uses less digits than its factorization.

22222101210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18705472423 (or 18705472415 counting only the distinct ones).

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

Adding to 22222101210012 its reverse (21001210122222), we get a palindrome (43223311332234).

The spelling of 22222101210012 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred one million, two hundred ten thousand, twelve".