12520862238413 has 2 divisors, whose sum is σ = 12520862238414. Its totient is φ = 12520862238412.

The previous prime is 12520862238377. The next prime is 12520862238449. The reversal of 12520862238413 is 31483226802521.

It is a balanced prime because it is at equal distance from previous prime (12520862238377) and next prime (12520862238449).

It can be written as a sum of positive squares in only one way, i.e., 10338559221769 + 2182303016644 = 3215363^2 + 1477262^2 .

It is a cyclic number.

It is not a de Polignac number, because 12520862238413 - 2⁶ = 12520862238349 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12520862238463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260431119206 + 6260431119207.

It is an arithmetic number, because the mean of its divisors is an integer number (6260431119207).

Almost surely, 2^{12520862238413} is an apocalyptic number.

It is an amenable number.

12520862238413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12520862238413 is an equidigital number, since it uses as much as digits as its factorization.

12520862238413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 12520862238413 in words is "twelve trillion, five hundred twenty billion, eight hundred sixty-two million, two hundred thirty-eight thousand, four hundred thirteen".