22120212220012 has 24 divisors (see below), whose sum is σ = 39180338141616. Its totient is φ = 10925854225728.

The previous prime is 22120212220003. The next prime is 22120212220103. The reversal of 22120212220012 is 21002221202122.

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, 607078 + ... + 6678994.

It is an arithmetic number, because the mean of its divisors is an integer number (1632514089234).

Almost surely, 2^{22120212220012} is an apocalyptic number.

It is an amenable number.

22120212220012 is a deficient number, since it is larger than the sum of its proper divisors (17060125921604).

22120212220012 is a wasteful number, since it uses less digits than its factorization.

22120212220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6082977 (or 6082975 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22120212220012 its reverse (21002221202122), we get a palindrome (43122433422134).

The spelling of 22120212220012 in words is "twenty-two trillion, one hundred twenty billion, two hundred twelve million, two hundred twenty thousand, twelve".