22102012120012 has 48 divisors (see below), whose sum is σ = 43075341540000. Its totient is φ = 9837449423360.

The previous prime is 22102012119961. The next prime is 22102012120147. The reversal of 22102012120012 is 21002121020122.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8123137 + ... + 10497112.

It is an arithmetic number, because the mean of its divisors is an integer number (897402948750).

Almost surely, 2^{22102012120012} is an apocalyptic number.

22102012120012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22102012120012 is a deficient number, since it is larger than the sum of its proper divisors (20973329419988).

22102012120012 is a wasteful number, since it uses less digits than its factorization.

22102012120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18620826 (or 18620824 counting only the distinct ones).

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

Adding to 22102012120012 its reverse (21002121020122), we get a palindrome (43104133140134).

The spelling of 22102012120012 in words is "twenty-two trillion, one hundred two billion, twelve million, one hundred twenty thousand, twelve".