12236515512 has 64 divisors (see below), whose sum is σ = 33502896000. Its totient is φ = 3701261184.

The previous prime is 12236515507. The next prime is 12236515513. The reversal of 12236515512 is 21551563221.

12236515512 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 not an unprimeable number, because it can be changed into a prime (12236515513) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 313962 + ... + 350777.

It is an arithmetic number, because the mean of its divisors is an integer number (523482750).

Almost surely, 2^12236515512 is an apocalyptic number.

12236515512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12236515512 is an abundant number, since it is smaller than the sum of its proper divisors (21266380488).

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

12236515512 is a wasteful number, since it uses less digits than its factorization.

12236515512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664820 (or 664816 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

The spelling of 12236515512 in words is "twelve billion, two hundred thirty-six million, five hundred fifteen thousand, five hundred twelve".