22323120012 has 18 divisors (see below), whose sum is σ = 56427886788. Its totient is φ = 7441039992.

The previous prime is 22323119993. The next prime is 22323120013. The reversal of 22323120012 is 21002132322.

22323120012 is a `hidden beast` number, since 223 + 231 + 200 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×22323120012³ (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 not an unprimeable number, because it can be changed into a prime (22323120013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 310043298 + ... + 310043369.

Almost surely, 2^22323120012 is an apocalyptic number.

It is an amenable number.

22323120012 is an abundant number, since it is smaller than the sum of its proper divisors (34104766776).

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

22323120012 is a wasteful number, since it uses less digits than its factorization.

22323120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620086677 (or 620086672 counting only the distinct ones).

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

Adding to 22323120012 its reverse (21002132322), we get a palindrome (43325252334).

The spelling of 22323120012 in words is "twenty-two billion, three hundred twenty-three million, one hundred twenty thousand, twelve".