12321150 has 24 divisors (see below), whose sum is σ = 30556824. Its totient is φ = 3285600.

The previous prime is 12321149. The next prime is 12321151. The reversal of 12321150 is 5112321.

12321150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12321149) and next prime (12321151).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40921 + ... + 41220.

It is an arithmetic number, because the mean of its divisors is an integer number (1273201).

Almost surely, 2^12321150 is an apocalyptic number.

12321150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12321150 is an abundant number, since it is smaller than the sum of its proper divisors (18235674).

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

12321150 is a wasteful number, since it uses less digits than its factorization.

12321150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82156 (or 82151 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 12321150 is about 3510.1495694628. The cubic root of 12321150 is about 230.9672560923.

Adding to 12321150 its reverse (5112321), we get a palindrome (17433471).

The spelling of 12321150 in words is "twelve million, three hundred twenty-one thousand, one hundred fifty".