12235233544520 has 32 divisors (see below), whose sum is σ = 31462029115200. Its totient is φ = 4194937215168.

The previous prime is 12235233544489. The next prime is 12235233544531. The reversal of 12235233544520 is 2544533253221.

12235233544520 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21848631050 + ... + 21848631609.

It is an arithmetic number, because the mean of its divisors is an integer number (983188409850).

Almost surely, 2^{12235233544520} is an apocalyptic number.

12235233544520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12235233544520 is an abundant number, since it is smaller than the sum of its proper divisors (19226795570680).

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

12235233544520 is a wasteful number, since it uses less digits than its factorization.

12235233544520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43697262677 (or 43697262673 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 12235233544520 its reverse (2544533253221), we get a palindrome (14779766797741).

The spelling of 12235233544520 in words is "twelve trillion, two hundred thirty-five billion, two hundred thirty-three million, five hundred forty-four thousand, five hundred twenty".