12230551 has 2 divisors, whose sum is σ = 12230552. Its totient is φ = 12230550.

The previous prime is 12230539. The next prime is 12230557. The reversal of 12230551 is 15503221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12230551 - 2²¹ = 10133399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12230557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115275 + 6115276.

It is an arithmetic number, because the mean of its divisors is an integer number (6115276).

Almost surely, 2^12230551 is an apocalyptic number.

12230551 is a deficient number, since it is larger than the sum of its proper divisors (1).

12230551 is an equidigital number, since it uses as much as digits as its factorization.

12230551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 12230551 is about 3497.2204677429. The cubic root of 12230551 is about 230.3997521920.

Adding to 12230551 its reverse (15503221), we get a palindrome (27733772).

The spelling of 12230551 in words is "twelve million, two hundred thirty thousand, five hundred fifty-one".