22112012120012 has 24 divisors (see below), whose sum is σ = 38838374562960. Its totient is φ = 11015339135040.

The previous prime is 22112012119973. The next prime is 22112012120059. The reversal of 22112012120012 is 21002121021122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15699962 + ... + 17050302.

It is an arithmetic number, because the mean of its divisors is an integer number (1618265606790).

Almost surely, 2^{22112012120012} is an apocalyptic number.

It is an amenable number.

22112012120012 is a deficient number, since it is larger than the sum of its proper divisors (16726362442948).

22112012120012 is a wasteful number, since it uses less digits than its factorization.

22112012120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365401 (or 1365399 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22112012120012 its reverse (21002121021122), we get a palindrome (43114133141134).

The spelling of 22112012120012 in words is "twenty-two trillion, one hundred twelve billion, twelve million, one hundred twenty thousand, twelve".