212212332229 has 2 divisors, whose sum is σ = 212212332230. Its totient is φ = 212212332228.

The previous prime is 212212332121. The next prime is 212212332247. The reversal of 212212332229 is 922233212212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 194542744900 + 17669587329 = 441070^2 + 132927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212212332229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212212332229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212212332529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106166114 + 106106166115.

It is an arithmetic number, because the mean of its divisors is an integer number (106106166115).

Almost surely, 2^212212332229 is an apocalyptic number.

It is an amenable number.

212212332229 is a deficient number, since it is larger than the sum of its proper divisors (1).

212212332229 is an equidigital number, since it uses as much as digits as its factorization.

212212332229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The spelling of 212212332229 in words is "two hundred twelve billion, two hundred twelve million, three hundred thirty-two thousand, two hundred twenty-nine".