212012330170 has 32 divisors (see below), whose sum is σ = 387932666256. Its totient is φ = 83402995200.

The previous prime is 212012330107. The next prime is 212012330171. The reversal of 212012330170 is 71033210212.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 95142019401 + 116870310769 = 308451^2 + 341863^2 .

It is a super-2 number, since 2×212012330170² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212012330171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5275392 + ... + 5315428.

Almost surely, 2^212012330170 is an apocalyptic number.

212012330170 is a deficient number, since it is larger than the sum of its proper divisors (175920336086).

212012330170 is a wasteful number, since it uses less digits than its factorization.

212012330170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48786.

The product of its (nonzero) digits is 504, while the sum is 22.

Adding to 212012330170 its reverse (71033210212), we get a palindrome (283045540382).

The spelling of 212012330170 in words is "two hundred twelve billion, twelve million, three hundred thirty thousand, one hundred seventy".