12039591783 has 4 divisors (see below), whose sum is σ = 16052789048. Its totient is φ = 8026394520.

The previous prime is 12039591761. The next prime is 12039591803. The reversal of 12039591783 is 38719593021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38719593021 = 3 ⋅12906531007.

It is not a de Polignac number, because 12039591783 - 2⁶ = 12039591719 is a prime.

It is a super-2 number, since 2×12039591783² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12039591583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2006598628 + ... + 2006598633.

It is an arithmetic number, because the mean of its divisors is an integer number (4013197262).

Almost surely, 2^12039591783 is an apocalyptic number.

12039591783 is a deficient number, since it is larger than the sum of its proper divisors (4013197265).

12039591783 is an equidigital number, since it uses as much as digits as its factorization.

12039591783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4013197264.

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 12039591783 in words is "twelve billion, thirty-nine million, five hundred ninety-one thousand, seven hundred eighty-three".