12150072 has 144 divisors (see below), whose sum is σ = 38820600. Its totient is φ = 3400320.

The previous prime is 12150071. The next prime is 12150077. The reversal of 12150072 is 27005121.

12150072 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 (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12150071) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 418954 + ... + 418982.

Almost surely, 2^12150072 is an apocalyptic number.

12150072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12150072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19410300).

12150072 is an abundant number, since it is smaller than the sum of its proper divisors (26670528).

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

12150072 is a wasteful number, since it uses less digits than its factorization.

12150072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 12150072 is about 3485.6953395270. The cubic root of 12150072 is about 229.8932838265.

Adding to 12150072 its reverse (27005121), we get a palindrome (39155193).

The spelling of 12150072 in words is "twelve million, one hundred fifty thousand, seventy-two".