1312130123321 has 8 divisors (see below), whose sum is σ = 1314474097920. Its totient is φ = 1309786391808.

The previous prime is 1312130123263. The next prime is 1312130123341. The reversal of 1312130123321 is 1233210312131.

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 1312130123321 - 2⁶ = 1312130123257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1312130123341) 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, 13383140 + ... + 13480826.

It is an arithmetic number, because the mean of its divisors is an integer number (164309262240).

Almost surely, 2^{1312130123321} is an apocalyptic number.

It is an amenable number.

1312130123321 is a deficient number, since it is larger than the sum of its proper divisors (2343974599).

1312130123321 is an equidigital number, since it uses as much as digits as its factorization.

1312130123321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121543.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 1312130123321 its reverse (1233210312131), we get a palindrome (2545340435452).

The spelling of 1312130123321 in words is "one trillion, three hundred twelve billion, one hundred thirty million, one hundred twenty-three thousand, three hundred twenty-one".