12981361323 has 8 divisors (see below), whose sum is σ = 19781122048. Its totient is φ = 7417920744.

The previous prime is 12981361201. The next prime is 12981361331. The reversal of 12981361323 is 32316318921.

It is a happy number.

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

It is not a de Polignac number, because 12981361323 - 2¹⁰ = 12981360299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12981361333) 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, 309080011 + ... + 309080052.

It is an arithmetic number, because the mean of its divisors is an integer number (2472640256).

Almost surely, 2^12981361323 is an apocalyptic number.

12981361323 is a deficient number, since it is larger than the sum of its proper divisors (6799760725).

12981361323 is an equidigital number, since it uses as much as digits as its factorization.

12981361323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618160073.

The product of its digits is 46656, while the sum is 39.

The spelling of 12981361323 in words is "twelve billion, nine hundred eighty-one million, three hundred sixty-one thousand, three hundred twenty-three".