212811059 has 4 divisors (see below), whose sum is σ = 216826416. Its totient is φ = 208795704.

The previous prime is 212811043. The next prime is 212811061. The reversal of 212811059 is 950118212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212811059 - 2⁴ = 212811043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212811029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2007599 + ... + 2007704.

It is an arithmetic number, because the mean of its divisors is an integer number (54206604).

Almost surely, 2^212811059 is an apocalyptic number.

212811059 is a deficient number, since it is larger than the sum of its proper divisors (4015357).

212811059 is an equidigital number, since it uses as much as digits as its factorization.

212811059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4015356.

The product of its (nonzero) digits is 1440, while the sum is 29.

The square root of 212811059 is about 14588.0450712218. The cubic root of 212811059 is about 597.0326255263.

The spelling of 212811059 in words is "two hundred twelve million, eight hundred eleven thousand, fifty-nine".