213012158057 has 2 divisors, whose sum is σ = 213012158058. Its totient is φ = 213012158056.

The previous prime is 213012158017. The next prime is 213012158083. The reversal of 213012158057 is 750851210312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149864991376 + 63147166681 = 387124^2 + 251291^2 .

It is a cyclic number.

It is not a de Polignac number, because 213012158057 - 2¹⁸ = 213011895913 is a prime.

It is not a weakly prime, because it can be changed into another prime (213012158017) 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, 106506079028 + 106506079029.

It is an arithmetic number, because the mean of its divisors is an integer number (106506079029).

Almost surely, 2^213012158057 is an apocalyptic number.

It is an amenable number.

213012158057 is a deficient number, since it is larger than the sum of its proper divisors (1).

213012158057 is an equidigital number, since it uses as much as digits as its factorization.

213012158057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 35.

Adding to 213012158057 its reverse (750851210312), we get a palindrome (963863368369).

The spelling of 213012158057 in words is "two hundred thirteen billion, twelve million, one hundred fifty-eight thousand, fifty-seven".