12047431403 has 24 divisors (see below), whose sum is σ = 14972212800. Its totient is φ = 9636813648.

The previous prime is 12047431379. The next prime is 12047431439. The reversal of 12047431403 is 30413474021.

It is not a de Polignac number, because 12047431403 - 2⁸ = 12047431147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12047431483) 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, 34193 + ... + 158946.

It is an arithmetic number, because the mean of its divisors is an integer number (623842200).

Almost surely, 2^12047431403 is an apocalyptic number.

12047431403 is a deficient number, since it is larger than the sum of its proper divisors (2924781397).

12047431403 is a wasteful number, since it uses less digits than its factorization.

12047431403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193239 (or 193232 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The spelling of 12047431403 in words is "twelve billion, forty-seven million, four hundred thirty-one thousand, four hundred three".