12501563147 has 2 divisors, whose sum is σ = 12501563148. Its totient is φ = 12501563146.

The previous prime is 12501563141. The next prime is 12501563167. The reversal of 12501563147 is 74136510521.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12501563147 - 2¹⁰ = 12501562123 is a prime.

It is a super-2 number, since 2×12501563147² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12501563141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250781573 + 6250781574.

It is an arithmetic number, because the mean of its divisors is an integer number (6250781574).

Almost surely, 2^12501563147 is an apocalyptic number.

12501563147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12501563147 is an equidigital number, since it uses as much as digits as its factorization.

12501563147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 12501563147 in words is "twelve billion, five hundred one million, five hundred sixty-three thousand, one hundred forty-seven".