12202251 has 16 divisors (see below), whose sum is σ = 16911360. Its totient is φ = 7817760.

The previous prime is 12202249. The next prime is 12202271. The reversal of 12202251 is 15220221.

12202251 = 54² + 55² + ... + 332².

It is not a de Polignac number, because 12202251 - 2¹ = 12202249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12202251.

It is not an unprimeable number, because it can be changed into a prime (12202271) 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 15 ways as a sum of consecutive naturals, for example, 16281 + ... + 17013.

It is an arithmetic number, because the mean of its divisors is an integer number (1056960).

Almost surely, 2^12202251 is an apocalyptic number.

12202251 is a deficient number, since it is larger than the sum of its proper divisors (4709109).

12202251 is a wasteful number, since it uses less digits than its factorization.

12202251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 12202251 is about 3493.1720541651. The cubic root of 12202251 is about 230.2219093313.

Adding to 12202251 its reverse (15220221), we get a palindrome (27422472).

The spelling of 12202251 in words is "twelve million, two hundred two thousand, two hundred fifty-one".