12321404087 has 8 divisors (see below), whose sum is σ = 12761144400. Its totient is φ = 11882654784.

The previous prime is 12321404027. The next prime is 12321404089. The reversal of 12321404087 is 78040412321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12321404087 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 (12321404089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222398 + ... + 272219.

It is an arithmetic number, because the mean of its divisors is an integer number (1595143050).

Almost surely, 2^12321404087 is an apocalyptic number.

12321404087 is a deficient number, since it is larger than the sum of its proper divisors (439740313).

12321404087 is an equidigital number, since it uses as much as digits as its factorization.

12321404087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495505.

The product of its (nonzero) digits is 10752, while the sum is 32.

The spelling of 12321404087 in words is "twelve billion, three hundred twenty-one million, four hundred four thousand, eighty-seven".