12145525802179 has 48 divisors (see below), whose sum is σ = 15800668162048. Its totient is φ = 9128915136000.

The previous prime is 12145525802161. The next prime is 12145525802209. The reversal of 12145525802179 is 97120852554121.

It is not a de Polignac number, because 12145525802179 - 2⁷ = 12145525802051 is a prime.

It is a super-3 number, since 3×12145525802179³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (12145525802149) 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 47 ways as a sum of consecutive naturals, for example, 7307539 + ... + 8814259.

Almost surely, 2^{12145525802179} is an apocalyptic number.

12145525802179 is a deficient number, since it is larger than the sum of its proper divisors (3655142359869).

12145525802179 is a wasteful number, since it uses less digits than its factorization.

12145525802179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507088 (or 1507077 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 52.

The spelling of 12145525802179 in words is "twelve trillion, one hundred forty-five billion, five hundred twenty-five million, eight hundred two thousand, one hundred seventy-nine".