12023031310312 has 32 divisors (see below), whose sum is σ = 24594431892480. Its totient is φ = 5464599154560.

The previous prime is 12023031310309. The next prime is 12023031310313. The reversal of 12023031310312 is 21301313032021.

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

It is not an unprimeable number, because it can be changed into a prime (12023031310313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4021773 + ... + 6341980.

It is an arithmetic number, because the mean of its divisors is an integer number (768575996640).

Almost surely, 2^{12023031310312} is an apocalyptic number.

It is an amenable number.

12023031310312 is an abundant number, since it is smaller than the sum of its proper divisors (12571400582168).

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

12023031310312 is a wasteful number, since it uses less digits than its factorization.

12023031310312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10376953 (or 10376949 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 12023031310312 its reverse (21301313032021), we get a palindrome (33324344342333).

The spelling of 12023031310312 in words is "twelve trillion, twenty-three billion, thirty-one million, three hundred ten thousand, three hundred twelve".