1312330102121 has 16 divisors (see below), whose sum is σ = 1378015469568. Its totient is φ = 1247377626000.

The previous prime is 1312330102073. The next prime is 1312330102207. The reversal of 1312330102121 is 1212010332131.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1312330102121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1312330102093 and 1312330102102.

It is not an unprimeable number, because it can be changed into a prime (1312330102921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4002446 + ... + 4317896.

It is an arithmetic number, because the mean of its divisors is an integer number (86125966848).

Almost surely, 2^{1312330102121} is an apocalyptic number.

It is an amenable number.

1312330102121 is a deficient number, since it is larger than the sum of its proper divisors (65685367447).

1312330102121 is a wasteful number, since it uses less digits than its factorization.

1312330102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316612.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1312330102121 its reverse (1212010332131), we get a palindrome (2524340434252).

The spelling of 1312330102121 in words is "one trillion, three hundred twelve billion, three hundred thirty million, one hundred two thousand, one hundred twenty-one".