212011036270177 has 2 divisors, whose sum is σ = 212011036270178. Its totient is φ = 212011036270176.

The previous prime is 212011036270171. The next prime is 212011036270181. The reversal of 212011036270177 is 771072630110212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208859118937681 + 3151917332496 = 14451959^2 + 1775364^2 .

It is a cyclic number.

It is not a de Polignac number, because 212011036270177 - 2⁷ = 212011036270049 is a prime.

It is a super-2 number, since 2×212011036270177² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (212011036270171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005518135088 + 106005518135089.

It is an arithmetic number, because the mean of its divisors is an integer number (106005518135089).

Almost surely, 2^{212011036270177} is an apocalyptic number.

It is an amenable number.

212011036270177 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011036270177 is an equidigital number, since it uses as much as digits as its factorization.

212011036270177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49392, while the sum is 40.

Adding to 212011036270177 its reverse (771072630110212), we get a palindrome (983083666380389).

The spelling of 212011036270177 in words is "two hundred twelve trillion, eleven billion, thirty-six million, two hundred seventy thousand, one hundred seventy-seven".