12021250 has 40 divisors (see below), whose sum is σ = 23055120. Its totient is φ = 4698000.

The previous prime is 12021187. The next prime is 12021259. The reversal of 12021250 is 5212021.

12021250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12021250.

It is not an unprimeable number, because it can be changed into a prime (12021259) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 73669 + ... + 73831.

It is an arithmetic number, because the mean of its divisors is an integer number (576378).

Almost surely, 2^12021250 is an apocalyptic number.

12021250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12021250 is a deficient number, since it is larger than the sum of its proper divisors (11033870).

12021250 is an equidigital number, since it uses as much as digits as its factorization.

12021250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 12021250 is about 3467.1674317806. The cubic root of 12021250 is about 229.0779086948.

Adding to 12021250 its reverse (5212021), we get a palindrome (17233271).

The spelling of 12021250 in words is "twelve million, twenty-one thousand, two hundred fifty".