12266115426 has 24 divisors (see below), whose sum is σ = 26606784204. Its totient is φ = 4084058880.

The previous prime is 12266115403. The next prime is 12266115443. The reversal of 12266115426 is 62451166221.

12266115426 is a `hidden beast` number, since 1 + 226 + 6 + 1 + 1 + 5 + 426 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10852430625 + 1413684801 = 104175^2 + 37599^2 .

It is a super-2 number, since 2×12266115426² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370891 + ... + 402606.

Almost surely, 2^12266115426 is an apocalyptic number.

12266115426 is an abundant number, since it is smaller than the sum of its proper divisors (14340668778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12266115426 is a wasteful number, since it uses less digits than its factorization.

12266115426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774386 (or 774383 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The spelling of 12266115426 in words is "twelve billion, two hundred sixty-six million, one hundred fifteen thousand, four hundred twenty-six".