213012033 has 16 divisors (see below), whose sum is σ = 307223616. Its totient is φ = 130501440.

The previous prime is 213012011. The next prime is 213012043. The reversal of 213012033 is 330210312.

It is not a de Polignac number, because 213012033 - 2⁵ = 213012001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (213012043) 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, 3178 + ... + 20883.

It is an arithmetic number, because the mean of its divisors is an integer number (19201476).

Almost surely, 2^213012033 is an apocalyptic number.

It is an amenable number.

213012033 is a deficient number, since it is larger than the sum of its proper divisors (94211583).

213012033 is a wasteful number, since it uses less digits than its factorization.

213012033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24304.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 213012033 is about 14594.9317572916. The cubic root of 213012033 is about 597.2205078101.

Adding to 213012033 its reverse (330210312), we get a palindrome (543222345).

The spelling of 213012033 in words is "two hundred thirteen million, twelve thousand, thirty-three".