12321013320151 has 4 divisors (see below), whose sum is σ = 12321380914704. Its totient is φ = 12320645725600.

The previous prime is 12321013320097. The next prime is 12321013320173. The reversal of 12321013320151 is 15102331012321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12321013320151 - 2²⁵ = 12320979765719 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 (12321013329151) 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, 183746995 + ... + 183814036.

It is an arithmetic number, because the mean of its divisors is an integer number (3080345228676).

Almost surely, 2^{12321013320151} is an apocalyptic number.

12321013320151 is a deficient number, since it is larger than the sum of its proper divisors (367594553).

12321013320151 is an equidigital number, since it uses as much as digits as its factorization.

12321013320151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367594552.

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

Adding to 12321013320151 its reverse (15102331012321), we get a palindrome (27423344332472).

The spelling of 12321013320151 in words is "twelve trillion, three hundred twenty-one billion, thirteen million, three hundred twenty thousand, one hundred fifty-one".