12131334403 has 2 divisors, whose sum is σ = 12131334404. Its totient is φ = 12131334402.

The previous prime is 12131334401. The next prime is 12131334443. The reversal of 12131334403 is 30443313121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12131334403 - 2¹ = 12131334401 is a prime.

It is a super-2 number, since 2×12131334403² (a number of 21 digits) contains 22 as substring.

Together with 12131334401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12131334401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065667201 + 6065667202.

It is an arithmetic number, because the mean of its divisors is an integer number (6065667202).

Almost surely, 2^12131334403 is an apocalyptic number.

12131334403 is a deficient number, since it is larger than the sum of its proper divisors (1).

12131334403 is an equidigital number, since it uses as much as digits as its factorization.

12131334403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 12131334403 its reverse (30443313121), we get a palindrome (42574647524).

The spelling of 12131334403 in words is "twelve billion, one hundred thirty-one million, three hundred thirty-four thousand, four hundred three".