12530279175 has 12 divisors (see below), whose sum is σ = 20716728360. Its totient is φ = 6682815520.

The previous prime is 12530279171. The next prime is 12530279207. The reversal of 12530279175 is 57197203521.

It is not a de Polignac number, because 12530279175 - 2² = 12530279171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12530279171) 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 11 ways as a sum of consecutive naturals, for example, 83535120 + ... + 83535269.

It is an arithmetic number, because the mean of its divisors is an integer number (1726394030).

Almost surely, 2^12530279175 is an apocalyptic number.

12530279175 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12530279175 is a deficient number, since it is larger than the sum of its proper divisors (8186449185).

12530279175 is a wasteful number, since it uses less digits than its factorization.

12530279175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167070402 (or 167070397 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 42.

The spelling of 12530279175 in words is "twelve billion, five hundred thirty million, two hundred seventy-nine thousand, one hundred seventy-five".