12601642147 has 2 divisors, whose sum is σ = 12601642148. Its totient is φ = 12601642146.

The previous prime is 12601642129. The next prime is 12601642177. The reversal of 12601642147 is 74124610621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12601642147 - 2²³ = 12593253539 is a prime.

It is not a weakly prime, because it can be changed into another prime (12601642127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6300821073 + 6300821074.

It is an arithmetic number, because the mean of its divisors is an integer number (6300821074).

Almost surely, 2^12601642147 is an apocalyptic number.

12601642147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12601642147 is an equidigital number, since it uses as much as digits as its factorization.

12601642147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 12601642147 in words is "twelve billion, six hundred one million, six hundred forty-two thousand, one hundred forty-seven".