12500150239961 has 2 divisors, whose sum is σ = 12500150239962. Its totient is φ = 12500150239960.

The previous prime is 12500150239919. The next prime is 12500150240057. The reversal of 12500150239961 is 16993205100521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9108438684361 + 3391711555600 = 3018019^2 + 1841660^2 .

It is a cyclic number.

It is not a de Polignac number, because 12500150239961 - 2¹⁰ = 12500150238937 is a prime.

It is not a weakly prime, because it can be changed into another prime (12500150239561) 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, 6250075119980 + 6250075119981.

It is an arithmetic number, because the mean of its divisors is an integer number (6250075119981).

Almost surely, 2^{12500150239961} is an apocalyptic number.

It is an amenable number.

12500150239961 is a deficient number, since it is larger than the sum of its proper divisors (1).

12500150239961 is an equidigital number, since it uses as much as digits as its factorization.

12500150239961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 44.

The spelling of 12500150239961 in words is "twelve trillion, five hundred billion, one hundred fifty million, two hundred thirty-nine thousand, nine hundred sixty-one".