12303132121 has 24 divisors (see below), whose sum is σ = 14552291520. Its totient is φ = 10369144800.

The previous prime is 12303132091. The next prime is 12303132131. The reversal of 12303132121 is 12123130321.

It is not a de Polignac number, because 12303132121 - 2⁹ = 12303131609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12303132131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1348786 + ... + 1357876.

It is an arithmetic number, because the mean of its divisors is an integer number (606345480).

Almost surely, 2^12303132121 is an apocalyptic number.

It is an amenable number.

12303132121 is a deficient number, since it is larger than the sum of its proper divisors (2249159399).

12303132121 is an equidigital number, since it uses as much as digits as its factorization.

12303132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9565 (or 9558 counting only the distinct ones).

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

Adding to 12303132121 its reverse (12123130321), we get a palindrome (24426262442).

The spelling of 12303132121 in words is "twelve billion, three hundred three million, one hundred thirty-two thousand, one hundred twenty-one".