22102012012012 has 12 divisors (see below), whose sum is σ = 38746497336120. Its totient is φ = 11031584201696.

The previous prime is 22102012011949. The next prime is 22102012012019. The reversal of 22102012012012 is 21021021020122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22102012012019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4855448518 + ... + 4855453069.

It is an arithmetic number, because the mean of its divisors is an integer number (3228874778010).

Almost surely, 2^{22102012012012} is an apocalyptic number.

It is an amenable number.

22102012012012 is a deficient number, since it is larger than the sum of its proper divisors (16644485324108).

22102012012012 is a wasteful number, since it uses less digits than its factorization.

22102012012012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9710902160 (or 9710902158 counting only the distinct ones).

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

Adding to 22102012012012 its reverse (21021021020122), we get a palindrome (43123033032134).

The spelling of 22102012012012 in words is "twenty-two trillion, one hundred two billion, twelve million, twelve thousand, twelve".