12201850 has 24 divisors (see below), whose sum is σ = 22803228. Its totient is φ = 4857600.

The previous prime is 12201829. The next prime is 12201859. The reversal of 12201850 is 5810221.

It can be written as a sum of positive squares in 6 ways, for example, as 986049 + 11215801 = 993^2 + 3349^2 .

It is not an unprimeable number, because it can be changed into a prime (12201859) 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, 13410 + ... + 14290.

Almost surely, 2^12201850 is an apocalyptic number.

12201850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12201850 is a deficient number, since it is larger than the sum of its proper divisors (10601378).

12201850 is a wasteful number, since it uses less digits than its factorization.

12201850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 12201850 is about 3493.1146560054. The cubic root of 12201850 is about 230.2193873924.

It can be divided in two parts, 122018 and 50, that multiplied together give a square (6100900 = 2470²).

The spelling of 12201850 in words is "twelve million, two hundred one thousand, eight hundred fifty".