12000000231312 has 120 divisors (see below), whose sum is σ = 32461633322496. Its totient is φ = 3818458934784.

The previous prime is 12000000231283. The next prime is 12000000231343. The reversal of 12000000231312 is 21313200000021.

12000000231312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12000000231291 and 12000000231300.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1759953 + ... + 5205519.

Almost surely, 2^{12000000231312} is an apocalyptic number.

12000000231312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12000000231312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16230816661248).

12000000231312 is an abundant number, since it is smaller than the sum of its proper divisors (20461633091184).

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

12000000231312 is a wasteful number, since it uses less digits than its factorization.

12000000231312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3445705 (or 3445662 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 12000000231312 its reverse (21313200000021), we get a palindrome (33313200231333).

The spelling of 12000000231312 in words is "twelve trillion, two hundred thirty-one thousand, three hundred twelve".