213290112 has 64 divisors (see below), whose sum is σ = 647496000. Its totient is φ = 60939264.

The previous prime is 213290101. The next prime is 213290117. The reversal of 213290112 is 211092312.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a zygodrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (213290117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36987 + ... + 42362.

It is an arithmetic number, because the mean of its divisors is an integer number (10117125).

Almost surely, 2^213290112 is an apocalyptic number.

It is an amenable number.

213290112 is an abundant number, since it is smaller than the sum of its proper divisors (434205888).

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

213290112 is an equidigital number, since it uses as much as digits as its factorization.

213290112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79373 (or 79361 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 213290112 is about 14604.4552106540. The cubic root of 213290112 is about 597.4802775888.

The spelling of 213290112 in words is "two hundred thirteen million, two hundred ninety thousand, one hundred twelve".