12230011312 has 40 divisors (see below), whose sum is σ = 24523698240. Its totient is φ = 5901504000.

The previous prime is 12230011309. The next prime is 12230011331. The reversal of 12230011312 is 21311003221.

It is a super-2 number, since 2×12230011312² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 1388073 + ... + 1396855.

It is an arithmetic number, because the mean of its divisors is an integer number (613092456).

Almost surely, 2^12230011312 is an apocalyptic number.

It is an amenable number.

12230011312 is an abundant number, since it is smaller than the sum of its proper divisors (12293686928).

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

12230011312 is a wasteful number, since it uses less digits than its factorization.

12230011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11821 (or 11815 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12230011312 its reverse (21311003221), we get a palindrome (33541014533).

The spelling of 12230011312 in words is "twelve billion, two hundred thirty million, eleven thousand, three hundred twelve".