12272150 has 48 divisors (see below), whose sum is σ = 25431408. Its totient is φ = 4368000.

The previous prime is 12272129. The next prime is 12272159. The reversal of 12272150 is 5127221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28940 + ... + 29360.

It is an arithmetic number, because the mean of its divisors is an integer number (529821).

Almost surely, 2^12272150 is an apocalyptic number.

12272150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12272150 is an abundant number, since it is smaller than the sum of its proper divisors (13159258).

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

12272150 is a wasteful number, since it uses less digits than its factorization.

12272150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12272150 is about 3503.1628566197. The cubic root of 12272150 is about 230.6606713037.

Adding to 12272150 its reverse (5127221), we get a palindrome (17399371).

Subtracting from 12272150 its reverse (5127221), we obtain a square (7144929 = 2673²).

The spelling of 12272150 in words is "twelve million, two hundred seventy-two thousand, one hundred fifty".