12401023013 has 2 divisors, whose sum is σ = 12401023014. Its totient is φ = 12401023012.

The previous prime is 12401023009. The next prime is 12401023177. The reversal of 12401023013 is 31032010421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10732545604 + 1668477409 = 103598^2 + 40847^2 .

It is a cyclic number.

It is not a de Polignac number, because 12401023013 - 2² = 12401023009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12401022982 and 12401023000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12401023913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6200511506 + 6200511507.

It is an arithmetic number, because the mean of its divisors is an integer number (6200511507).

Almost surely, 2^12401023013 is an apocalyptic number.

It is an amenable number.

12401023013 is a deficient number, since it is larger than the sum of its proper divisors (1).

12401023013 is an equidigital number, since it uses as much as digits as its factorization.

12401023013 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 17.

Adding to 12401023013 its reverse (31032010421), we get a palindrome (43433033434).

The spelling of 12401023013 in words is "twelve billion, four hundred one million, twenty-three thousand, thirteen".