12012550136 has 32 divisors (see below), whose sum is σ = 22859020800. Its totient is φ = 5917473120.

The previous prime is 12012550103. The next prime is 12012550153. The reversal of 12012550136 is 63105521021.

12012550136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 104441 + ... + 186903.

It is an arithmetic number, because the mean of its divisors is an integer number (714344400).

Almost surely, 2^12012550136 is an apocalyptic number.

It is an amenable number.

12012550136 is a deficient number, since it is larger than the sum of its proper divisors (10846470664).

12012550136 is a wasteful number, since it uses less digits than its factorization.

12012550136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82739 (or 82735 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 12012550136 in words is "twelve billion, twelve million, five hundred fifty thousand, one hundred thirty-six".