212033011 has 4 divisors (see below), whose sum is σ = 215509024. Its totient is φ = 208557000.

The previous prime is 212033009. The next prime is 212033023. The reversal of 212033011 is 110330212.

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 212033011 - 2¹ = 212033009 is a prime.

It is a super-2 number, since 2×212033011² = 89915995507452242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212032982 and 212033000.

It is not an unprimeable number, because it can be changed into a prime (212033071) 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, 1737915 + ... + 1738036.

It is an arithmetic number, because the mean of its divisors is an integer number (53877256).

Almost surely, 2^212033011 is an apocalyptic number.

212033011 is a deficient number, since it is larger than the sum of its proper divisors (3476013).

212033011 is an equidigital number, since it uses as much as digits as its factorization.

212033011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3476012.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 212033011 is about 14561.3533368297. The cubic root of 212033011 is about 596.3041431846.

Adding to 212033011 its reverse (110330212), we get a palindrome (322363223).

The spelling of 212033011 in words is "two hundred twelve million, thirty-three thousand, eleven".