12302133121 has 4 divisors (see below), whose sum is σ = 12304009044. Its totient is φ = 12300257200.

The previous prime is 12302133061. The next prime is 12302133127. The reversal of 12302133121 is 12133120321.

12302133121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12133120321 = 7 ⋅1733302903.

It can be written as a sum of positive squares in 2 ways, for example, as 3348242496 + 8953890625 = 57864^2 + 94625^2 .

It is a cyclic number.

It is not a de Polignac number, because 12302133121 - 2⁷ = 12302132993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12302133127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928090 + ... + 941251.

It is an arithmetic number, because the mean of its divisors is an integer number (3076002261).

Almost surely, 2^12302133121 is an apocalyptic number.

It is an amenable number.

12302133121 is a deficient number, since it is larger than the sum of its proper divisors (1875923).

12302133121 is an equidigital number, since it uses as much as digits as its factorization.

12302133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875922.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12302133121 its reverse (12133120321), we get a palindrome (24435253442).

The spelling of 12302133121 in words is "twelve billion, three hundred two million, one hundred thirty-three thousand, one hundred twenty-one".