12103122330312 has 32 divisors (see below), whose sum is σ = 32585329351680. Its totient is φ = 3724037640000.

The previous prime is 12103122330289. The next prime is 12103122330319. The reversal of 12103122330312 is 21303322130121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12103122330319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19396029064 + ... + 19396029687.

It is an arithmetic number, because the mean of its divisors is an integer number (1018291542240).

Almost surely, 2^{12103122330312} is an apocalyptic number.

12103122330312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12103122330312 is an abundant number, since it is smaller than the sum of its proper divisors (20482207021368).

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

12103122330312 is a wasteful number, since it uses less digits than its factorization.

12103122330312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38792058773 (or 38792058769 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12103122330312 its reverse (21303322130121), we get a palindrome (33406444460433).

The spelling of 12103122330312 in words is "twelve trillion, one hundred three billion, one hundred twenty-two million, three hundred thirty thousand, three hundred twelve".