212201313157 has 2 divisors, whose sum is σ = 212201313158. Its totient is φ = 212201313156.

The previous prime is 212201313131. The next prime is 212201313253. The reversal of 212201313157 is 751313102212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140834327841 + 71366985316 = 375279^2 + 267146^2 .

It is a cyclic number.

It is not a de Polignac number, because 212201313157 - 2²³ = 212192924549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212201383157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100656578 + 106100656579.

It is an arithmetic number, because the mean of its divisors is an integer number (106100656579).

Almost surely, 2^212201313157 is an apocalyptic number.

It is an amenable number.

212201313157 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201313157 is an equidigital number, since it uses as much as digits as its factorization.

212201313157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 212201313157 its reverse (751313102212), we get a palindrome (963514415369).

The spelling of 212201313157 in words is "two hundred twelve billion, two hundred one million, three hundred thirteen thousand, one hundred fifty-seven".