12232110312 has 48 divisors (see below), whose sum is σ = 34024007940. Its totient is φ = 3967170048.

The previous prime is 12232110307. The next prime is 12232110323. The reversal of 12232110312 is 21301123221.

12232110312 is a `hidden beast` number, since 1 + 22 + 321 + 10 + 312 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11587661316 + 644448996 = 107646^2 + 25386^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2293153 + ... + 2298480.

Almost surely, 2^12232110312 is an apocalyptic number.

12232110312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12232110312 is an abundant number, since it is smaller than the sum of its proper divisors (21791897628).

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

12232110312 is a wasteful number, since it uses less digits than its factorization.

12232110312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4591682 (or 4591675 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12232110312 its reverse (21301123221), we get a palindrome (33533233533).

The spelling of 12232110312 in words is "twelve billion, two hundred thirty-two million, one hundred ten thousand, three hundred twelve".