12667234403 has 4 divisors (see below), whose sum is σ = 12675789048. Its totient is φ = 12658679760.

The previous prime is 12667234369. The next prime is 12667234471. The reversal of 12667234403 is 30443276621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30443276621 = 67 ⋅454377263.

It is a cyclic number.

It is not a de Polignac number, because 12667234403 - 2⁶ = 12667234339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12667234103) 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, 4275101 + ... + 4278062.

It is an arithmetic number, because the mean of its divisors is an integer number (3168947262).

Almost surely, 2^12667234403 is an apocalyptic number.

12667234403 is a deficient number, since it is larger than the sum of its proper divisors (8554645).

12667234403 is an equidigital number, since it uses as much as digits as its factorization.

12667234403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8554644.

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 12667234403 in words is "twelve billion, six hundred sixty-seven million, two hundred thirty-four thousand, four hundred three".