12302133321 has 4 divisors (see below), whose sum is σ = 16402844432. Its totient is φ = 8201422212.

The previous prime is 12302133307. The next prime is 12302133331. The reversal of 12302133321 is 12333120321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12302133321 - 2⁹ = 12302132809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12302133331) 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, 2050355551 + ... + 2050355556.

It is an arithmetic number, because the mean of its divisors is an integer number (4100711108).

Almost surely, 2^12302133321 is an apocalyptic number.

It is an amenable number.

12302133321 is a deficient number, since it is larger than the sum of its proper divisors (4100711111).

12302133321 is an equidigital number, since it uses as much as digits as its factorization.

12302133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100711110.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12302133321 its reverse (12333120321), we get a palindrome (24635253642).

The spelling of 12302133321 in words is "twelve billion, three hundred two million, one hundred thirty-three thousand, three hundred twenty-one".