1312232323321 has 8 divisors (see below), whose sum is σ = 1336723961760. Its totient is φ = 1287815698752.

The previous prime is 1312232323309. The next prime is 1312232323379. The reversal of 1312232323321 is 1233232322131.

It is a happy number.

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 1312232323321 - 2²¹ = 1312230226169 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 1312232323321.

It is not an unprimeable number, because it can be changed into a prime (1312232323421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18718155 + ... + 18788128.

It is an arithmetic number, because the mean of its divisors is an integer number (167090495220).

Almost surely, 2^{1312232323321} is an apocalyptic number.

It is an amenable number.

1312232323321 is a deficient number, since it is larger than the sum of its proper divisors (24491638439).

1312232323321 is an equidigital number, since it uses as much as digits as its factorization.

1312232323321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37506935.

The product of its digits is 7776, while the sum is 28.

Adding to 1312232323321 its reverse (1233232322131), we get a palindrome (2545464645452).

The spelling of 1312232323321 in words is "one trillion, three hundred twelve billion, two hundred thirty-two million, three hundred twenty-three thousand, three hundred twenty-one".