213332112 has 60 divisors (see below), whose sum is σ = 682327360. Its totient is φ = 60951744.

The previous prime is 213332101. The next prime is 213332137. The reversal of 213332112 is 211233312.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104812 + ... + 106827.

Almost surely, 2^213332112 is an apocalyptic number.

It is an amenable number.

213332112 is an abundant number, since it is smaller than the sum of its proper divisors (468995248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213332112 is a wasteful number, since it uses less digits than its factorization.

213332112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211660 (or 211651 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 213332112 is about 14605.8930572560. The cubic root of 213332112 is about 597.5194926036.

Adding to 213332112 its reverse (211233312), we get a palindrome (424565424).

It can be divided in two parts, 213332 and 112, that added together give a square (213444 = 462²).

The spelling of 213332112 in words is "two hundred thirteen million, three hundred thirty-two thousand, one hundred twelve".