12132373782509 has 32 divisors (see below), whose sum is σ = 12861205733376. Its totient is φ = 11420926957440.

The previous prime is 12132373782499. The next prime is 12132373782553. The reversal of 12132373782509 is 90528737323121.

It is a cyclic number.

It is not a de Polignac number, because 12132373782509 - 2³² = 12128078815213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12132373781509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3499384994 + ... + 3499388460.

It is an arithmetic number, because the mean of its divisors is an integer number (401912679168).

Almost surely, 2^{12132373782509} is an apocalyptic number.

It is an amenable number.

12132373782509 is a deficient number, since it is larger than the sum of its proper divisors (728831950867).

12132373782509 is a wasteful number, since it uses less digits than its factorization.

12132373782509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6785.

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 12132373782509 in words is "twelve trillion, one hundred thirty-two billion, three hundred seventy-three million, seven hundred eighty-two thousand, five hundred nine".