12321503051 has 8 divisors (see below), whose sum is σ = 14475612144. Its totient is φ = 10339722720.

The previous prime is 12321503003. The next prime is 12321503107. The reversal of 12321503051 is 15030512321.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12321503051 - 2⁶ = 12321502987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321503951) 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, 43082036 + ... + 43082321.

It is an arithmetic number, because the mean of its divisors is an integer number (1809451518).

Almost surely, 2^12321503051 is an apocalyptic number.

12321503051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12321503051 is a deficient number, since it is larger than the sum of its proper divisors (2154109093).

12321503051 is a wasteful number, since it uses less digits than its factorization.

12321503051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86164381.

The product of its (nonzero) digits is 900, while the sum is 23.

The spelling of 12321503051 in words is "twelve billion, three hundred twenty-one million, five hundred three thousand, fifty-one".