12202090 has 16 divisors (see below), whose sum is σ = 23256072. Its totient is φ = 4593664.

The previous prime is 12202061. The next prime is 12202097. The reversal of 12202090 is 9020221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11607649 + 594441 = 3407^2 + 771^2 .

It is not an unprimeable number, because it can be changed into a prime (12202097) 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 7 ways as a sum of consecutive naturals, for example, 35719 + ... + 36058.

Almost surely, 2^12202090 is an apocalyptic number.

12202090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12202090 is a deficient number, since it is larger than the sum of its proper divisors (11053982).

12202090 is a wasteful number, since it uses less digits than its factorization.

12202090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71801.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 12202090 is about 3493.1490091320. The cubic root of 12202090 is about 230.2208967889.

The spelling of 12202090 in words is "twelve million, two hundred two thousand, ninety".