12320000012 has 24 divisors (see below), whose sum is σ = 21667615200. Its totient is φ = 6129296640.

The previous prime is 12319999997. The next prime is 12320000041. The reversal of 12320000012 is 21000002321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12319999948 and 12320000002.

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, 1313114 + ... + 1322462.

It is an arithmetic number, because the mean of its divisors is an integer number (902817300).

Almost surely, 2^12320000012 is an apocalyptic number.

It is an amenable number.

12320000012 is a deficient number, since it is larger than the sum of its proper divisors (9347615188).

12320000012 is a wasteful number, since it uses less digits than its factorization.

12320000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10961 (or 10959 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 12320000012 its reverse (21000002321), we get a palindrome (33320002333).

The spelling of 12320000012 in words is "twelve billion, three hundred twenty million, twelve", and thus it is an aban number.