12203233212251 has 2 divisors, whose sum is σ = 12203233212252. Its totient is φ = 12203233212250.

The previous prime is 12203233212169. The next prime is 12203233212253. The reversal of 12203233212251 is 15221233230221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12203233212251 - 2³⁰ = 12202159470427 is a prime.

Together with 12203233212253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12203233212253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101616606125 + 6101616606126.

It is an arithmetic number, because the mean of its divisors is an integer number (6101616606126).

Almost surely, 2^{12203233212251} is an apocalyptic number.

12203233212251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12203233212251 is an equidigital number, since it uses as much as digits as its factorization.

12203233212251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 12203233212251 its reverse (15221233230221), we get a palindrome (27424466442472).

The spelling of 12203233212251 in words is "twelve trillion, two hundred three billion, two hundred thirty-three million, two hundred twelve thousand, two hundred fifty-one".