12137684147 has 2 divisors, whose sum is σ = 12137684148. Its totient is φ = 12137684146.

The previous prime is 12137684137. The next prime is 12137684159. The reversal of 12137684147 is 74148673121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12137684147 - 2³² = 7842716851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12137684098 and 12137684107.

It is not a weakly prime, because it can be changed into another prime (12137684137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6068842073 + 6068842074.

It is an arithmetic number, because the mean of its divisors is an integer number (6068842074).

Almost surely, 2^12137684147 is an apocalyptic number.

12137684147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12137684147 is an equidigital number, since it uses as much as digits as its factorization.

12137684147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 44.

The spelling of 12137684147 in words is "twelve billion, one hundred thirty-seven million, six hundred eighty-four thousand, one hundred forty-seven".