124312030013 has 2 divisors, whose sum is σ = 124312030014. Its totient is φ = 124312030012.

The previous prime is 124312029997. The next prime is 124312030043. The reversal of 124312030013 is 310030213421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111503902084 + 12808127929 = 333922^2 + 113173^2 .

It is a cyclic number.

It is not a de Polignac number, because 124312030013 - 2⁴ = 124312029997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124312030043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62156015006 + 62156015007.

It is an arithmetic number, because the mean of its divisors is an integer number (62156015007).

Almost surely, 2^124312030013 is an apocalyptic number.

It is an amenable number.

124312030013 is a deficient number, since it is larger than the sum of its proper divisors (1).

124312030013 is an equidigital number, since it uses as much as digits as its factorization.

124312030013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 124312030013 its reverse (310030213421), we get a palindrome (434342243434).

The spelling of 124312030013 in words is "one hundred twenty-four billion, three hundred twelve million, thirty thousand, thirteen".