12012113222251 has 2 divisors, whose sum is σ = 12012113222252. Its totient is φ = 12012113222250.

The previous prime is 12012113222209. The next prime is 12012113222297. The reversal of 12012113222251 is 15222231121021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12012113222251 - 2⁴¹ = 9813089966699 is a prime.

It is not a weakly prime, because it can be changed into another prime (12012113223251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006056611125 + 6006056611126.

It is an arithmetic number, because the mean of its divisors is an integer number (6006056611126).

Almost surely, 2^{12012113222251} is an apocalyptic number.

12012113222251 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012113222251 is an equidigital number, since it uses as much as digits as its factorization.

12012113222251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 12012113222251 its reverse (15222231121021), we get a palindrome (27234344343272).

The spelling of 12012113222251 in words is "twelve trillion, twelve billion, one hundred thirteen million, two hundred twenty-two thousand, two hundred fifty-one".