12695233147 has 2 divisors, whose sum is σ = 12695233148. Its totient is φ = 12695233146.

The previous prime is 12695233081. The next prime is 12695233189. The reversal of 12695233147 is 74133259621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12695233147 - 2¹¹ = 12695231099 is a prime.

It is a super-2 number, since 2×12695233147² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12695234147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6347616573 + 6347616574.

It is an arithmetic number, because the mean of its divisors is an integer number (6347616574).

Almost surely, 2^12695233147 is an apocalyptic number.

12695233147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12695233147 is an equidigital number, since it uses as much as digits as its factorization.

12695233147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 272160, while the sum is 43.

The spelling of 12695233147 in words is "twelve billion, six hundred ninety-five million, two hundred thirty-three thousand, one hundred forty-seven".