12212517151 has 2 divisors, whose sum is σ = 12212517152. Its totient is φ = 12212517150.

The previous prime is 12212517113. The next prime is 12212517179. The reversal of 12212517151 is 15171521221.

It is an a-pointer prime, because the next prime (12212517179) can be obtained adding 12212517151 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12212517151 - 2⁹ = 12212516639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12212517451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6106258575 + 6106258576.

It is an arithmetic number, because the mean of its divisors is an integer number (6106258576).

Almost surely, 2^12212517151 is an apocalyptic number.

12212517151 is a deficient number, since it is larger than the sum of its proper divisors (1).

12212517151 is an equidigital number, since it uses as much as digits as its factorization.

12212517151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1400, while the sum is 28.

The spelling of 12212517151 in words is "twelve billion, two hundred twelve million, five hundred seventeen thousand, one hundred fifty-one".