213012312022177 has 2 divisors, whose sum is σ = 213012312022178. Its totient is φ = 213012312022176.

The previous prime is 213012312021979. The next prime is 213012312022231. The reversal of 213012312022177 is 771220213210312.

213012312022177 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208865391134976 + 4146920887201 = 14452176^2 + 2036399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213012312022177 is a prime.

It is not a weakly prime, because it can be changed into another prime (213012312020177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106506156011088 + 106506156011089.

It is an arithmetic number, because the mean of its divisors is an integer number (106506156011089).

Almost surely, 2^{213012312022177} is an apocalyptic number.

It is an amenable number.

213012312022177 is a deficient number, since it is larger than the sum of its proper divisors (1).

213012312022177 is an equidigital number, since it uses as much as digits as its factorization.

213012312022177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

Adding to 213012312022177 its reverse (771220213210312), we get a palindrome (984232525232489).

The spelling of 213012312022177 in words is "two hundred thirteen trillion, twelve billion, three hundred twelve million, twenty-two thousand, one hundred seventy-seven".