12201251 has 2 divisors, whose sum is σ = 12201252. Its totient is φ = 12201250.

The previous prime is 12201229. The next prime is 12201263. The reversal of 12201251 is 15210221.

12201251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12201251 - 2¹⁸ = 11939107 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12201151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100625 + 6100626.

It is an arithmetic number, because the mean of its divisors is an integer number (6100626).

Almost surely, 2^12201251 is an apocalyptic number.

12201251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201251 is an equidigital number, since it uses as much as digits as its factorization.

12201251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 12201251 is about 3493.0289148531. The cubic root of 12201251 is about 230.2156201038.

Adding to 12201251 its reverse (15210221), we get a palindrome (27411472).

The spelling of 12201251 in words is "twelve million, two hundred one thousand, two hundred fifty-one".