12031302132121 has 4 divisors (see below), whose sum is σ = 12419408652544. Its totient is φ = 11643195611700.

The previous prime is 12031302132119. The next prime is 12031302132131. The reversal of 12031302132121 is 12123120313021.

12031302132121 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 a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12031302132121 - 2¹ = 12031302132119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12031302132092 and 12031302132101.

It is not an unprimeable number, because it can be changed into a prime (12031302132131) 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, 194053260165 + ... + 194053260226.

It is an arithmetic number, because the mean of its divisors is an integer number (3104852163136).

Almost surely, 2^{12031302132121} is an apocalyptic number.

It is an amenable number.

12031302132121 is a deficient number, since it is larger than the sum of its proper divisors (388106520423).

12031302132121 is an equidigital number, since it uses as much as digits as its factorization.

12031302132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388106520422.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12031302132121 its reverse (12123120313021), we get a palindrome (24154422445142).

The spelling of 12031302132121 in words is "twelve trillion, thirty-one billion, three hundred two million, one hundred thirty-two thousand, one hundred twenty-one".