12450725117 has 2 divisors, whose sum is σ = 12450725118. Its totient is φ = 12450725116.

The previous prime is 12450725113. The next prime is 12450725129. The reversal of 12450725117 is 71152705421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12221081401 + 229643716 = 110549^2 + 15154^2 .

It is a cyclic number.

It is not a de Polignac number, because 12450725117 - 2² = 12450725113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12450725113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6225362558 + 6225362559.

It is an arithmetic number, because the mean of its divisors is an integer number (6225362559).

Almost surely, 2^12450725117 is an apocalyptic number.

It is an amenable number.

12450725117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12450725117 is an equidigital number, since it uses as much as digits as its factorization.

12450725117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19600, while the sum is 35.

The spelling of 12450725117 in words is "twelve billion, four hundred fifty million, seven hundred twenty-five thousand, one hundred seventeen".