12233223251 has 2 divisors, whose sum is σ = 12233223252. Its totient is φ = 12233223250.

The previous prime is 12233223217. The next prime is 12233223263. The reversal of 12233223251 is 15232233221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12233223251 - 2²² = 12229028947 is a prime.

It is a super-2 number, since 2×12233223251² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12233223251.

It is not a weakly prime, because it can be changed into another prime (12233223271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6116611625 + 6116611626.

It is an arithmetic number, because the mean of its divisors is an integer number (6116611626).

Almost surely, 2^12233223251 is an apocalyptic number.

12233223251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12233223251 is an equidigital number, since it uses as much as digits as its factorization.

12233223251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 26.

Adding to 12233223251 its reverse (15232233221), we get a palindrome (27465456472).

The spelling of 12233223251 in words is "twelve billion, two hundred thirty-three million, two hundred twenty-three thousand, two hundred fifty-one".