612713124901 has 2 divisors, whose sum is σ = 612713124902. Its totient is φ = 612713124900.

The previous prime is 612713124899. The next prime is 612713124911. The reversal of 612713124901 is 109421317216.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 539675359876 + 73037765025 = 734626^2 + 270255^2 .

It is a cyclic number.

It is not a de Polignac number, because 612713124901 - 2¹ = 612713124899 is a prime.

Together with 612713124899, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (612713124911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306356562450 + 306356562451.

It is an arithmetic number, because the mean of its divisors is an integer number (306356562451).

Almost surely, 2^612713124901 is an apocalyptic number.

It is an amenable number.

612713124901 is a deficient number, since it is larger than the sum of its proper divisors (1).

612713124901 is an equidigital number, since it uses as much as digits as its factorization.

612713124901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 612713124901 in words is "six hundred twelve billion, seven hundred thirteen million, one hundred twenty-four thousand, nine hundred one".