12631222301 has 2 divisors, whose sum is σ = 12631222302. Its totient is φ = 12631222300.

The previous prime is 12631222213. The next prime is 12631222399. The reversal of 12631222301 is 10322213621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8627623225 + 4003599076 = 92885^2 + 63274^2 .

It is a cyclic number.

It is not a de Polignac number, because 12631222301 - 2¹⁰ = 12631221277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12631222601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6315611150 + 6315611151.

It is an arithmetic number, because the mean of its divisors is an integer number (6315611151).

Almost surely, 2^12631222301 is an apocalyptic number.

It is an amenable number.

12631222301 is a deficient number, since it is larger than the sum of its proper divisors (1).

12631222301 is an equidigital number, since it uses as much as digits as its factorization.

12631222301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12631222301 its reverse (10322213621), we get a palindrome (22953435922).

The spelling of 12631222301 in words is "twelve billion, six hundred thirty-one million, two hundred twenty-two thousand, three hundred one".