12505350325413 has 16 divisors (see below), whose sum is σ = 18612614439936. Its totient is φ = 7402744377840.

The previous prime is 12505350325409. The next prime is 12505350325519. The reversal of 12505350325413 is 31452305350521.

It is not a de Polignac number, because 12505350325413 - 2² = 12505350325409 is a prime.

It is a super-2 number, since 2×12505350325413² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12505350325213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4406394045 + ... + 4406396882.

It is an arithmetic number, because the mean of its divisors is an integer number (1163288402496).

Almost surely, 2^{12505350325413} is an apocalyptic number.

It is an amenable number.

12505350325413 is a deficient number, since it is larger than the sum of its proper divisors (6107264114523).

12505350325413 is a wasteful number, since it uses less digits than its factorization.

12505350325413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8812790984.

The product of its (nonzero) digits is 270000, while the sum is 39.

Adding to 12505350325413 its reverse (31452305350521), we get a palindrome (43957655675934).

The spelling of 12505350325413 in words is "twelve trillion, five hundred five billion, three hundred fifty million, three hundred twenty-five thousand, four hundred thirteen".