22323210012 has 48 divisors (see below), whose sum is σ = 58194791200. Its totient is φ = 7399952640.

The previous prime is 22323210011. The next prime is 22323210023. The reversal of 22323210012 is 21001232322.

It is a super-3 number, since 3×22323210012³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22323210011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 551437 + ... + 590532.

Almost surely, 2^22323210012 is an apocalyptic number.

It is an amenable number.

22323210012 is an abundant number, since it is smaller than the sum of its proper divisors (35871581188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22323210012 is a wasteful number, since it uses less digits than its factorization.

22323210012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142163 (or 1142155 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22323210012 its reverse (21001232322), we get a palindrome (43324442334).

The spelling of 22323210012 in words is "twenty-two billion, three hundred twenty-three million, two hundred ten thousand, twelve".