213233612 has 6 divisors (see below), whose sum is σ = 373158828. Its totient is φ = 106616804.

The previous prime is 213233609. The next prime is 213233641. The reversal of 213233612 is 216332312.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 26654198 + ... + 26654205.

It is an arithmetic number, because the mean of its divisors is an integer number (62193138).

Almost surely, 2^213233612 is an apocalyptic number.

It is an amenable number.

213233612 is a deficient number, since it is larger than the sum of its proper divisors (159925216).

213233612 is a wasteful number, since it uses less digits than its factorization.

213233612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53308407 (or 53308405 counting only the distinct ones).

The product of its digits is 1296, while the sum is 23.

The square root of 213233612 is about 14602.5207412967. The cubic root of 213233612 is about 597.4275159354.

Adding to 213233612 its reverse (216332312), we get a palindrome (429565924).

The spelling of 213233612 in words is "two hundred thirteen million, two hundred thirty-three thousand, six hundred twelve".