12043209597 has 4 divisors (see below), whose sum is σ = 16057612800. Its totient is φ = 8028806396.

The previous prime is 12043209551. The next prime is 12043209617. The reversal of 12043209597 is 79590234021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12043209597 - 2⁶ = 12043209533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12043209097) 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, 2007201597 + ... + 2007201602.

It is an arithmetic number, because the mean of its divisors is an integer number (4014403200).

Almost surely, 2^12043209597 is an apocalyptic number.

It is an amenable number.

12043209597 is a deficient number, since it is larger than the sum of its proper divisors (4014403203).

12043209597 is an equidigital number, since it uses as much as digits as its factorization.

12043209597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014403202.

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 12043209597 in words is "twelve billion, forty-three million, two hundred nine thousand, five hundred ninety-seven".