12201012222251 has 2 divisors, whose sum is σ = 12201012222252. Its totient is φ = 12201012222250.

The previous prime is 12201012222239. The next prime is 12201012222277. The reversal of 12201012222251 is 15222221010221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12201012222251 - 2³⁰ = 12199938480427 is a prime.

It is not a weakly prime, because it can be changed into another prime (12201012225251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100506111125 + 6100506111126.

It is an arithmetic number, because the mean of its divisors is an integer number (6100506111126).

Almost surely, 2^{12201012222251} is an apocalyptic number.

12201012222251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201012222251 is an equidigital number, since it uses as much as digits as its factorization.

12201012222251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 12201012222251 its reverse (15222221010221), we get a palindrome (27423233232472).

The spelling of 12201012222251 in words is "twelve trillion, two hundred one billion, twelve million, two hundred twenty-two thousand, two hundred fifty-one".