212332722757 has 2 divisors, whose sum is σ = 212332722758. Its totient is φ = 212332722756.

The previous prime is 212332722751. The next prime is 212332722803. The reversal of 212332722757 is 757227233212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202577407396 + 9755315361 = 450086^2 + 98769^2 .

It is a cyclic number.

It is not a de Polignac number, because 212332722757 - 2⁷ = 212332722629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212332722751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106166361378 + 106166361379.

It is an arithmetic number, because the mean of its divisors is an integer number (106166361379).

Almost surely, 2^212332722757 is an apocalyptic number.

It is an amenable number.

212332722757 is a deficient number, since it is larger than the sum of its proper divisors (1).

212332722757 is an equidigital number, since it uses as much as digits as its factorization.

212332722757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 493920, while the sum is 43.

Adding to 212332722757 its reverse (757227233212), we get a palindrome (969559955969).

It can be divided in two parts, 212332 and 722757, that added together give a square (935089 = 967²).

The spelling of 212332722757 in words is "two hundred twelve billion, three hundred thirty-two million, seven hundred twenty-two thousand, seven hundred fifty-seven".