12301323112012 has 18 divisors (see below), whose sum is σ = 23662255821764. Its totient is φ = 5591510505240.

The previous prime is 12301323112009. The next prime is 12301323112021. The reversal of 12301323112012 is 21021132310321.

It is a super-2 number, since 2×12301323112012² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12707977938 + ... + 12707978905.

Almost surely, 2^{12301323112012} is an apocalyptic number.

It is an amenable number.

12301323112012 is a deficient number, since it is larger than the sum of its proper divisors (11360932709752).

12301323112012 is a wasteful number, since it uses less digits than its factorization.

12301323112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25415956869 (or 25415956856 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12301323112012 its reverse (21021132310321), we get a palindrome (33322455422333).

The spelling of 12301323112012 in words is "twelve trillion, three hundred one billion, three hundred twenty-three million, one hundred twelve thousand, twelve".