12145692047 has 2 divisors, whose sum is σ = 12145692048. Its totient is φ = 12145692046.

The previous prime is 12145692019. The next prime is 12145692061. The reversal of 12145692047 is 74029654121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12145692047 - 2⁶ = 12145691983 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12145691995 and 12145692013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12145692067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072846023 + 6072846024.

It is an arithmetic number, because the mean of its divisors is an integer number (6072846024).

Almost surely, 2^12145692047 is an apocalyptic number.

12145692047 is a deficient number, since it is larger than the sum of its proper divisors (1).

12145692047 is an equidigital number, since it uses as much as digits as its factorization.

12145692047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 12145692047 in words is "twelve billion, one hundred forty-five million, six hundred ninety-two thousand, forty-seven".