12521607696007 has 2 divisors, whose sum is σ = 12521607696008. Its totient is φ = 12521607696006.

The previous prime is 12521607695969. The next prime is 12521607696023. The reversal of 12521607696007 is 70069670612521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12521607696007 - 2³¹ = 12519460212359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12521607696067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260803848003 + 6260803848004.

It is an arithmetic number, because the mean of its divisors is an integer number (6260803848004).

Almost surely, 2^{12521607696007} is an apocalyptic number.

12521607696007 is a deficient number, since it is larger than the sum of its proper divisors (1).

12521607696007 is an equidigital number, since it uses as much as digits as its factorization.

12521607696007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 12521607696007 in words is "twelve trillion, five hundred twenty-one billion, six hundred seven million, six hundred ninety-six thousand, seven".