212332123057 has 2 divisors, whose sum is σ = 212332123058. Its totient is φ = 212332123056.

The previous prime is 212332122997. The next prime is 212332123103. The reversal of 212332123057 is 750321233212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210005893696 + 2326229361 = 458264^2 + 48231^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212332123057 is a prime.

It is not a weakly prime, because it can be changed into another prime (212332120057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106166061528 + 106166061529.

It is an arithmetic number, because the mean of its divisors is an integer number (106166061529).

Almost surely, 2^212332123057 is an apocalyptic number.

It is an amenable number.

212332123057 is a deficient number, since it is larger than the sum of its proper divisors (1).

212332123057 is an equidigital number, since it uses as much as digits as its factorization.

212332123057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 31.

Adding to 212332123057 its reverse (750321233212), we get a palindrome (962653356269).

The spelling of 212332123057 in words is "two hundred twelve billion, three hundred thirty-two million, one hundred twenty-three thousand, fifty-seven".