22012102120012 has 12 divisors (see below), whose sum is σ = 38522128750560. Its totient is φ = 11005779619856.

The previous prime is 22012102119991. The next prime is 22012102120111. The reversal of 22012102120012 is 21002120121022.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67677523 + ... + 68001994.

It is an arithmetic number, because the mean of its divisors is an integer number (3210177395880).

Almost surely, 2^{22012102120012} is an apocalyptic number.

It is an amenable number.

22012102120012 is a deficient number, since it is larger than the sum of its proper divisors (16510026630548).

22012102120012 is a wasteful number, since it uses less digits than its factorization.

22012102120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135720080 (or 135720078 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22012102120012 its reverse (21002120121022), we get a palindrome (43014222241034).

The spelling of 22012102120012 in words is "twenty-two trillion, twelve billion, one hundred two million, one hundred twenty thousand, twelve".