12022323112 has 32 divisors (see below), whose sum is σ = 23779879200. Its totient is φ = 5682398400.

The previous prime is 12022323101. The next prime is 12022323133. The reversal of 12022323112 is 21132322021.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 12022323112.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15714 + ... + 155857.

It is an arithmetic number, because the mean of its divisors is an integer number (743121225).

Almost surely, 2^12022323112 is an apocalyptic number.

It is an amenable number.

12022323112 is a deficient number, since it is larger than the sum of its proper divisors (11757556088).

12022323112 is a wasteful number, since it uses less digits than its factorization.

12022323112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172057 (or 172053 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12022323112 its reverse (21132322021), we get a palindrome (33154645133).

The spelling of 12022323112 in words is "twelve billion, twenty-two million, three hundred twenty-three thousand, one hundred twelve".