12165531150 has 48 divisors (see below), whose sum is σ = 30400875648. Its totient is φ = 3219372000.

The previous prime is 12165531149. The next prime is 12165531179. The reversal of 12165531150 is 5113556121.

12165531150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

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 23 ways as a sum of consecutive naturals, for example, 289906 + ... + 329205.

It is an arithmetic number, because the mean of its divisors is an integer number (633351576).

Almost surely, 2^12165531150 is an apocalyptic number.

12165531150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12165531150 is an abundant number, since it is smaller than the sum of its proper divisors (18235344498).

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

12165531150 is a wasteful number, since it uses less digits than its factorization.

12165531150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619257 (or 619252 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The spelling of 12165531150 in words is "twelve billion, one hundred sixty-five million, five hundred thirty-one thousand, one hundred fifty".