12479475137 has 2 divisors, whose sum is σ = 12479475138. Its totient is φ = 12479475136.

The previous prime is 12479475131. The next prime is 12479475143. The reversal of 12479475137 is 73157497421.

It is a balanced prime because it is at equal distance from previous prime (12479475131) and next prime (12479475143).

It can be written as a sum of positive squares in only one way, i.e., 8461056256 + 4018418881 = 91984^2 + 63391^2 .

It is an emirp because it is prime and its reverse (73157497421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12479475137 - 2⁴ = 12479475121 is a prime.

It is not a weakly prime, because it can be changed into another prime (12479475131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6239737568 + 6239737569.

It is an arithmetic number, because the mean of its divisors is an integer number (6239737569).

Almost surely, 2^12479475137 is an apocalyptic number.

It is an amenable number.

12479475137 is a deficient number, since it is larger than the sum of its proper divisors (1).

12479475137 is an equidigital number, since it uses as much as digits as its factorization.

12479475137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 50.

The spelling of 12479475137 in words is "twelve billion, four hundred seventy-nine million, four hundred seventy-five thousand, one hundred thirty-seven".