170211030212 has 6 divisors (see below), whose sum is σ = 297869302878. Its totient is φ = 85105515104.

The previous prime is 170211030169. The next prime is 170211030251. The reversal of 170211030212 is 212030112071.

It can be written as a sum of positive squares in only one way, i.e., 104241162496 + 65969867716 = 322864^2 + 256846^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21276378773 + ... + 21276378780.

It is an arithmetic number, because the mean of its divisors is an integer number (49644883813).

Almost surely, 2^170211030212 is an apocalyptic number.

It is an amenable number.

170211030212 is a deficient number, since it is larger than the sum of its proper divisors (127658272666).

170211030212 is a wasteful number, since it uses less digits than its factorization.

170211030212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42552757557 (or 42552757555 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

Adding to 170211030212 its reverse (212030112071), we get a palindrome (382241142283).

The spelling of 170211030212 in words is "one hundred seventy billion, two hundred eleven million, thirty thousand, two hundred twelve".