212212332529 has 2 divisors, whose sum is σ = 212212332530. Its totient is φ = 212212332528.

The previous prime is 212212332499. The next prime is 212212332583. The reversal of 212212332529 is 925233212212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127682584929 + 84529747600 = 357327^2 + 290740^2 .

It is a cyclic number.

It is not a de Polignac number, because 212212332529 - 2²³ = 212203943921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212212332494 and 212212332503.

It is not a weakly prime, because it can be changed into another prime (212212332229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106166264 + 106106166265.

It is an arithmetic number, because the mean of its divisors is an integer number (106106166265).

Almost surely, 2^212212332529 is an apocalyptic number.

It is an amenable number.

212212332529 is a deficient number, since it is larger than the sum of its proper divisors (1).

212212332529 is an equidigital number, since it uses as much as digits as its factorization.

212212332529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The spelling of 212212332529 in words is "two hundred twelve billion, two hundred twelve million, three hundred thirty-two thousand, five hundred twenty-nine".