12655487147 has 2 divisors, whose sum is σ = 12655487148. Its totient is φ = 12655487146.

The previous prime is 12655487137. The next prime is 12655487231. The reversal of 12655487147 is 74178455621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12655487147 - 2⁸ = 12655486891 is a prime.

It is a super-2 number, since 2×12655487147² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12655487095 and 12655487104.

It is not a weakly prime, because it can be changed into another prime (12655487107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327743573 + 6327743574.

It is an arithmetic number, because the mean of its divisors is an integer number (6327743574).

Almost surely, 2^12655487147 is an apocalyptic number.

12655487147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12655487147 is an equidigital number, since it uses as much as digits as its factorization.

12655487147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1881600, while the sum is 50.

The spelling of 12655487147 in words is "twelve billion, six hundred fifty-five million, four hundred eighty-seven thousand, one hundred forty-seven".