12402312203 has 4 divisors (see below), whose sum is σ = 12403229688. Its totient is φ = 12401394720.

The previous prime is 12402312191. The next prime is 12402312211. The reversal of 12402312203 is 30221320421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30221320421 = 1453 ⋅20799257.

It is a cyclic number.

It is not a de Polignac number, because 12402312203 - 2¹⁶ = 12402246667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12402312253) 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, 438158 + ... + 465603.

It is an arithmetic number, because the mean of its divisors is an integer number (3100807422).

Almost surely, 2^12402312203 is an apocalyptic number.

12402312203 is a deficient number, since it is larger than the sum of its proper divisors (917485).

12402312203 is an equidigital number, since it uses as much as digits as its factorization.

12402312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917484.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12402312203 its reverse (30221320421), we get a palindrome (42623632624).

The spelling of 12402312203 in words is "twelve billion, four hundred two million, three hundred twelve thousand, two hundred three".