12321020095 has 16 divisors (see below), whose sum is σ = 14913708480. Its totient is φ = 9771450624.

The previous prime is 12321020087. The next prime is 12321020099. The reversal of 12321020095 is 59002012321.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12321020095 - 2³ = 12321020087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321020099) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326739 + ... + 362491.

It is an arithmetic number, because the mean of its divisors is an integer number (932106780).

Almost surely, 2^12321020095 is an apocalyptic number.

12321020095 is a deficient number, since it is larger than the sum of its proper divisors (2592688385).

12321020095 is a wasteful number, since it uses less digits than its factorization.

12321020095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36354.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 12321020095 in words is "twelve billion, three hundred twenty-one million, twenty thousand, ninety-five".