22312189912 has 16 divisors (see below), whose sum is σ = 41994429840. Its totient is φ = 11113675296.

The previous prime is 22312189841. The next prime is 22312189919. The reversal of 22312189912 is 21998121322.

It is a super-3 number, since 3×22312189912³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22312189919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5300223 + ... + 5304430.

It is an arithmetic number, because the mean of its divisors is an integer number (2624651865).

Almost surely, 2^22312189912 is an apocalyptic number.

It is an amenable number.

22312189912 is a deficient number, since it is larger than the sum of its proper divisors (19682239928).

22312189912 is a wasteful number, since it uses less digits than its factorization.

22312189912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10604922 (or 10604918 counting only the distinct ones).

The product of its digits is 31104, while the sum is 40.

The spelling of 22312189912 in words is "twenty-two billion, three hundred twelve million, one hundred eighty-nine thousand, nine hundred twelve".