212080969 has 3 divisors (see below), whose sum is σ = 212095533. Its totient is φ = 212066406.

The previous prime is 212080963. The next prime is 212081011. The reversal of 212080969 is 969080212.

The square root of 212080969 is 14563.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 212080969 - 2³ = 212080961 is a prime.

It is a super-2 number, since 2×212080969² = 89956674823957922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212080961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7282 + ... + 21844.

It is an arithmetic number, because the mean of its divisors is an integer number (70698511).

Almost surely, 2^212080969 is an apocalyptic number.

212080969 is the 14563-rd square number.

212080969 is the 7282-nd centered octagonal number.

It is an amenable number.

212080969 is a deficient number, since it is larger than the sum of its proper divisors (14564).

212080969 is an frugal number, since it uses more digits than its factorization.

212080969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29126 (or 14563 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The cubic root of 212080969 is about 596.3490975027.

The spelling of 212080969 in words is "two hundred twelve million, eighty thousand, nine hundred sixty-nine".