12321013316051 has 12 divisors (see below), whose sum is σ = 13546204572600. Its totient is φ = 11198214551040.

The previous prime is 12321013316047. The next prime is 12321013316057. The reversal of 12321013316051 is 15061331012321.

It is not a de Polignac number, because 12321013316051 - 2² = 12321013316047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321013316057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11800046 + ... + 12801683.

It is an arithmetic number, because the mean of its divisors is an integer number (1128850381050).

Almost surely, 2^{12321013316051} is an apocalyptic number.

12321013316051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12321013316051 is a deficient number, since it is larger than the sum of its proper divisors (1225191256549).

12321013316051 is a wasteful number, since it uses less digits than its factorization.

12321013316051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24605890 (or 24605879 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

Adding to 12321013316051 its reverse (15061331012321), we get a palindrome (27382344328372).

The spelling of 12321013316051 in words is "twelve trillion, three hundred twenty-one billion, thirteen million, three hundred sixteen thousand, fifty-one".