12214402397 has 2 divisors, whose sum is σ = 12214402398. Its totient is φ = 12214402396.

The previous prime is 12214402331. The next prime is 12214402399. The reversal of 12214402397 is 79320441221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7625830276 + 4588572121 = 87326^2 + 67739^2 .

It is a cyclic number.

It is not a de Polignac number, because 12214402397 - 2¹⁰ = 12214401373 is a prime.

Together with 12214402399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12214402399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6107201198 + 6107201199.

It is an arithmetic number, because the mean of its divisors is an integer number (6107201199).

Almost surely, 2^12214402397 is an apocalyptic number.

It is an amenable number.

12214402397 is a deficient number, since it is larger than the sum of its proper divisors (1).

12214402397 is an equidigital number, since it uses as much as digits as its factorization.

12214402397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 12214402397 in words is "twelve billion, two hundred fourteen million, four hundred two thousand, three hundred ninety-seven".