12122023312 has 40 divisors (see below), whose sum is σ = 26864052416. Its totient is φ = 5190811776.

The previous prime is 12122023267. The next prime is 12122023343. The reversal of 12122023312 is 21332022121.

It is a self number, because there is not a number n which added to its sum of digits gives 12122023312.

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, 91243 + ... + 180469.

Almost surely, 2^12122023312 is an apocalyptic number.

It is an amenable number.

12122023312 is an abundant number, since it is smaller than the sum of its proper divisors (14742029104).

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

12122023312 is a wasteful number, since it uses less digits than its factorization.

12122023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90455 (or 90449 counting only the distinct ones).

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

Adding to 12122023312 its reverse (21332022121), we get a palindrome (33454045433).

The spelling of 12122023312 in words is "twelve billion, one hundred twenty-two million, twenty-three thousand, three hundred twelve".