22002112120012 has 24 divisors (see below), whose sum is σ = 38742474078000. Its totient is φ = 10932887057856.

The previous prime is 22002112119941. The next prime is 22002112120013. The reversal of 22002112120012 is 21002121120022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22002112120013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5001262 + ... + 8307637.

It is an arithmetic number, because the mean of its divisors is an integer number (1614269753250).

Almost surely, 2^{22002112120012} is an apocalyptic number.

It is an amenable number.

22002112120012 is a deficient number, since it is larger than the sum of its proper divisors (16740361957988).

22002112120012 is a wasteful number, since it uses less digits than its factorization.

22002112120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13311465 (or 13311463 counting only the distinct ones).

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

Adding to 22002112120012 its reverse (21002121120022), we get a palindrome (43004233240034).

The spelling of 22002112120012 in words is "twenty-two trillion, two billion, one hundred twelve million, one hundred twenty thousand, twelve".