12126155236 has 96 divisors (see below), whose sum is σ = 24004512000. Its totient is φ = 5321476608.

The previous prime is 12126155219. The next prime is 12126155257. The reversal of 12126155236 is 63255162121.

12126155236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45078510 + ... + 45078778.

It is an arithmetic number, because the mean of its divisors is an integer number (250047000).

Almost surely, 2^12126155236 is an apocalyptic number.

It is an amenable number.

12126155236 is a deficient number, since it is larger than the sum of its proper divisors (11878356764).

12126155236 is a wasteful number, since it uses less digits than its factorization.

12126155236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 659 counting only the distinct ones).

The product of its digits is 21600, while the sum is 34.

The spelling of 12126155236 in words is "twelve billion, one hundred twenty-six million, one hundred fifty-five thousand, two hundred thirty-six".