122431212229 has 2 divisors, whose sum is σ = 122431212230. Its totient is φ = 122431212228.

The previous prime is 122431212217. The next prime is 122431212283. The reversal of 122431212229 is 922212134221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62747745025 + 59683467204 = 250495^2 + 244302^2 .

It is a cyclic number.

It is not a de Polignac number, because 122431212229 - 2²¹ = 122429115077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 122431212229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122431212929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61215606114 + 61215606115.

It is an arithmetic number, because the mean of its divisors is an integer number (61215606115).

Almost surely, 2^122431212229 is an apocalyptic number.

It is an amenable number.

122431212229 is a deficient number, since it is larger than the sum of its proper divisors (1).

122431212229 is an equidigital number, since it uses as much as digits as its factorization.

122431212229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The spelling of 122431212229 in words is "one hundred twenty-two billion, four hundred thirty-one million, two hundred twelve thousand, two hundred twenty-nine".