12046917529 has 24 divisors (see below), whose sum is σ = 13307215040. Its totient is φ = 10874733408.

The previous prime is 12046917527. The next prime is 12046917541. The reversal of 12046917529 is 92571964021.

It is not a de Polignac number, because 12046917529 - 2¹ = 12046917527 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12046917527) 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 23 ways as a sum of consecutive naturals, for example, 2781964 + ... + 2786290.

Almost surely, 2^12046917529 is an apocalyptic number.

12046917529 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12046917529 is a deficient number, since it is larger than the sum of its proper divisors (1260297511).

12046917529 is a wasteful number, since it uses less digits than its factorization.

12046917529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4669 (or 4646 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 12046917529 in words is "twelve billion, forty-six million, nine hundred seventeen thousand, five hundred twenty-nine".