12150612 has 18 divisors (see below), whose sum is σ = 30714138. Its totient is φ = 4050192.

The previous prime is 12150587. The next prime is 12150617. The reversal of 12150612 is 21605121.

12150612 is a `hidden beast` number, since 1 + 2 + 1 + 50 + 612 = 666.

It can be written as a sum of positive squares in only one way, i.e., 11532816 + 617796 = 3396^2 + 786^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168723 + ... + 168794.

It is an arithmetic number, because the mean of its divisors is an integer number (1706341).

Almost surely, 2^12150612 is an apocalyptic number.

12150612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12150612 is an abundant number, since it is smaller than the sum of its proper divisors (18563526).

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

12150612 is a wasteful number, since it uses less digits than its factorization.

12150612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337527 (or 337522 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 12150612 is about 3485.7727981037. The cubic root of 12150612 is about 229.8966895823.

Adding to 12150612 its reverse (21605121), we get a palindrome (33755733).

The spelling of 12150612 in words is "twelve million, one hundred fifty thousand, six hundred twelve".