12438367266 has 16 divisors (see below), whose sum is σ = 26790329664. Its totient is φ = 3827189904.

The previous prime is 12438367231. The next prime is 12438367349. The reversal of 12438367266 is 66276383421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79733046 + ... + 79733201.

It is an arithmetic number, because the mean of its divisors is an integer number (1674395604).

Almost surely, 2^12438367266 is an apocalyptic number.

12438367266 is an abundant number, since it is smaller than the sum of its proper divisors (14351962398).

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

12438367266 is a wasteful number, since it uses less digits than its factorization.

12438367266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159466265.

The product of its digits is 1741824, while the sum is 48.

The spelling of 12438367266 in words is "twelve billion, four hundred thirty-eight million, three hundred sixty-seven thousand, two hundred sixty-six".