12267134517 has 24 divisors (see below), whose sum is σ = 18056909920. Its totient is φ = 7402111200.

The previous prime is 12267134507. The next prime is 12267134543. The reversal of 12267134517 is 71543176221.

It is not a de Polignac number, because 12267134517 - 2⁴ = 12267134501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12267134507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9342 + ... + 156912.

Almost surely, 2^12267134517 is an apocalyptic number.

It is an amenable number.

12267134517 is a deficient number, since it is larger than the sum of its proper divisors (5789775403).

12267134517 is a wasteful number, since it uses less digits than its factorization.

12267134517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147825 (or 147814 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The spelling of 12267134517 in words is "twelve billion, two hundred sixty-seven million, one hundred thirty-four thousand, five hundred seventeen".