12503522051407 has 2 divisors, whose sum is σ = 12503522051408. Its totient is φ = 12503522051406.

The previous prime is 12503522051381. The next prime is 12503522051441. The reversal of 12503522051407 is 70415022530521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12503522051407 is a prime.

It is a super-2 number, since 2×12503522051407² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12503522052407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6251761025703 + 6251761025704.

It is an arithmetic number, because the mean of its divisors is an integer number (6251761025704).

Almost surely, 2^{12503522051407} is an apocalyptic number.

12503522051407 is a deficient number, since it is larger than the sum of its proper divisors (1).

12503522051407 is an equidigital number, since it uses as much as digits as its factorization.

12503522051407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84000, while the sum is 37.

Adding to 12503522051407 its reverse (70415022530521), we get a palindrome (82918544581928).

The spelling of 12503522051407 in words is "twelve trillion, five hundred three billion, five hundred twenty-two million, fifty-one thousand, four hundred seven".