12436138308 has 48 divisors (see below), whose sum is σ = 31946080320. Its totient is φ = 3733948800.

The previous prime is 12436138283. The next prime is 12436138331. The reversal of 12436138308 is 80383163421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417783 + ... + 446558.

It is an arithmetic number, because the mean of its divisors is an integer number (665543340).

Almost surely, 2^12436138308 is an apocalyptic number.

It is an amenable number.

12436138308 is an abundant number, since it is smaller than the sum of its proper divisors (19509942012).

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

12436138308 is a wasteful number, since it uses less digits than its factorization.

12436138308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864468 (or 864466 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 12436138308 in words is "twelve billion, four hundred thirty-six million, one hundred thirty-eight thousand, three hundred eight".