12456431341 has 4 divisors (see below), whose sum is σ = 12458634300. Its totient is φ = 12454228384.

The previous prime is 12456431329. The next prime is 12456431357. The reversal of 12456431341 is 14313465421.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8657558116 + 3798873225 = 93046^2 + 61635^2 .

It is a cyclic number.

It is not a de Polignac number, because 12456431341 - 2³³ = 3866496749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12456431297 and 12456431306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12456431941) 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, 1092976 + ... + 1104313.

It is an arithmetic number, because the mean of its divisors is an integer number (3114658575).

Almost surely, 2^12456431341 is an apocalyptic number.

It is an amenable number.

12456431341 is a deficient number, since it is larger than the sum of its proper divisors (2202959).

12456431341 is an equidigital number, since it uses as much as digits as its factorization.

12456431341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202958.

The product of its digits is 34560, while the sum is 34.

Adding to 12456431341 its reverse (14313465421), we get a palindrome (26769896762).

The spelling of 12456431341 in words is "twelve billion, four hundred fifty-six million, four hundred thirty-one thousand, three hundred forty-one".