12313232322121 has 8 divisors (see below), whose sum is σ = 12963988018080. Its totient is φ = 11662745709888.

The previous prime is 12313232322077. The next prime is 12313232322133. The reversal of 12313232322121 is 12122323231321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12313232322121 - 2⁹ = 12313232321609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12313232322121.

It is not an unprimeable number, because it can be changed into a prime (12313232329121) 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, 67176991 + ... + 67360036.

It is an arithmetic number, because the mean of its divisors is an integer number (1620498502260).

Almost surely, 2^{12313232322121} is an apocalyptic number.

It is an amenable number.

12313232322121 is a deficient number, since it is larger than the sum of its proper divisors (650755695959).

12313232322121 is a wasteful number, since it uses less digits than its factorization.

12313232322121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134541863.

The product of its digits is 5184, while the sum is 28.

Adding to 12313232322121 its reverse (12122323231321), we get a palindrome (24435555553442).

The spelling of 12313232322121 in words is "twelve trillion, three hundred thirteen billion, two hundred thirty-two million, three hundred twenty-two thousand, one hundred twenty-one".