12146255513 has 16 divisors (see below), whose sum is σ = 14508170880. Its totient is φ = 9948427776.

The previous prime is 12146255497. The next prime is 12146255581. The reversal of 12146255513 is 31555264121.

It is not a de Polignac number, because 12146255513 - 2⁴ = 12146255497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12146255813) 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 in 15 ways as a sum of consecutive naturals, for example, 288731 + ... + 328112.

It is an arithmetic number, because the mean of its divisors is an integer number (906760680).

Almost surely, 2^12146255513 is an apocalyptic number.

It is an amenable number.

12146255513 is a deficient number, since it is larger than the sum of its proper divisors (2361915367).

12146255513 is an equidigital number, since it uses as much as digits as its factorization.

12146255513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616976.

The product of its digits is 36000, while the sum is 35.

The spelling of 12146255513 in words is "twelve billion, one hundred forty-six million, two hundred fifty-five thousand, five hundred thirteen".