12641174367 has 4 divisors (see below), whose sum is σ = 16854899160. Its totient is φ = 8427449576.

The previous prime is 12641174333. The next prime is 12641174383. The reversal of 12641174367 is 76347114621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76347114621 = 3 ⋅25449038207.

It is a cyclic number.

It is not a de Polignac number, because 12641174367 - 2⁶ = 12641174303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12641174267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2106862392 + ... + 2106862397.

It is an arithmetic number, because the mean of its divisors is an integer number (4213724790).

Almost surely, 2^12641174367 is an apocalyptic number.

12641174367 is a deficient number, since it is larger than the sum of its proper divisors (4213724793).

12641174367 is an equidigital number, since it uses as much as digits as its factorization.

12641174367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4213724792.

The product of its digits is 169344, while the sum is 42.

Adding to 12641174367 its reverse (76347114621), we get a palindrome (88988288988).

The spelling of 12641174367 in words is "twelve billion, six hundred forty-one million, one hundred seventy-four thousand, three hundred sixty-seven".