12310010131421 has 2 divisors, whose sum is σ = 12310010131422. Its totient is φ = 12310010131420.

The previous prime is 12310010131409. The next prime is 12310010131453. The reversal of 12310010131421 is 12413101001321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7915163292100 + 4394846839321 = 2813390^2 + 2096389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12310010131421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12310010131393 and 12310010131402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12310010101421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6155005065710 + 6155005065711.

It is an arithmetic number, because the mean of its divisors is an integer number (6155005065711).

Almost surely, 2^{12310010131421} is an apocalyptic number.

It is an amenable number.

12310010131421 is a deficient number, since it is larger than the sum of its proper divisors (1).

12310010131421 is an equidigital number, since it uses as much as digits as its factorization.

12310010131421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12310010131421 its reverse (12413101001321), we get a palindrome (24723111132742).

The spelling of 12310010131421 in words is "twelve trillion, three hundred ten billion, ten million, one hundred thirty-one thousand, four hundred twenty-one".