12321011432203 has 4 divisors (see below), whose sum is σ = 12321033900280. Its totient is φ = 12320988964128.

The previous prime is 12321011432131. The next prime is 12321011432227. The reversal of 12321011432203 is 30223411012321.

12321011432203 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.

It is a cyclic number.

It is not a de Polignac number, because 12321011432203 - 2²⁵ = 12320977877771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12321011432243) 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, 10390350 + ... + 11515267.

It is an arithmetic number, because the mean of its divisors is an integer number (3080258475070).

Almost surely, 2^{12321011432203} is an apocalyptic number.

12321011432203 is a deficient number, since it is larger than the sum of its proper divisors (22468077).

12321011432203 is an equidigital number, since it uses as much as digits as its factorization.

12321011432203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22468076.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 12321011432203 its reverse (30223411012321), we get a palindrome (42544422444524).

The spelling of 12321011432203 in words is "twelve trillion, three hundred twenty-one billion, eleven million, four hundred thirty-two thousand, two hundred three".