213345112 has 16 divisors (see below), whose sum is σ = 413816400. Its totient is φ = 102994080.

The previous prime is 213345107. The next prime is 213345127. The reversal of 213345112 is 211543312.

It is a happy number.

It is a super-2 number, since 2×213345112² = 91032273628585088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 459564 + ... + 460027.

It is an arithmetic number, because the mean of its divisors is an integer number (25863525).

Almost surely, 2^213345112 is an apocalyptic number.

It is an amenable number.

213345112 is a deficient number, since it is larger than the sum of its proper divisors (200471288).

213345112 is a wasteful number, since it uses less digits than its factorization.

213345112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919626 (or 919622 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 213345112 is about 14606.3380763284. The cubic root of 213345112 is about 597.5316295412.

Adding to 213345112 its reverse (211543312), we get a palindrome (424888424).

The spelling of 213345112 in words is "two hundred thirteen million, three hundred forty-five thousand, one hundred twelve".