12148379513 has 2 divisors, whose sum is σ = 12148379514. Its totient is φ = 12148379512.

The previous prime is 12148379449. The next prime is 12148379519. The reversal of 12148379513 is 31597384121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8112064489 + 4036315024 = 90067^2 + 63532^2 .

It is a cyclic number.

It is not a de Polignac number, because 12148379513 - 2⁶ = 12148379449 is a prime.

It is not a weakly prime, because it can be changed into another prime (12148379519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6074189756 + 6074189757.

It is an arithmetic number, because the mean of its divisors is an integer number (6074189757).

Almost surely, 2^12148379513 is an apocalyptic number.

It is an amenable number.

12148379513 is a deficient number, since it is larger than the sum of its proper divisors (1).

12148379513 is an equidigital number, since it uses as much as digits as its factorization.

12148379513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 44.

The spelling of 12148379513 in words is "twelve billion, one hundred forty-eight million, three hundred seventy-nine thousand, five hundred thirteen".