12321202133131 has 4 divisors (see below), whose sum is σ = 12321568858264. Its totient is φ = 12320835408000.

The previous prime is 12321202133099. The next prime is 12321202133267. The reversal of 12321202133131 is 13133120212321.

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 12321202133131 - 2⁵ = 12321202133099 is a prime.

It is a super-2 number, since 2×12321202133131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12321202133096 and 12321202133105.

It is not an unprimeable number, because it can be changed into a prime (12321200133131) 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, 183312165 + ... + 183379366.

It is an arithmetic number, because the mean of its divisors is an integer number (3080392214566).

Almost surely, 2^{12321202133131} is an apocalyptic number.

12321202133131 is a deficient number, since it is larger than the sum of its proper divisors (366725133).

12321202133131 is an equidigital number, since it uses as much as digits as its factorization.

12321202133131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366725132.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12321202133131 its reverse (13133120212321), we get a palindrome (25454322345452).

The spelling of 12321202133131 in words is "twelve trillion, three hundred twenty-one billion, two hundred two million, one hundred thirty-three thousand, one hundred thirty-one".