213405112 has 16 divisors (see below), whose sum is σ = 421194600. Its totient is φ = 101086560.

The previous prime is 213405103. The next prime is 213405119. The reversal of 213405112 is 211504312.

213405112 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 213405112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213405119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 701839 + ... + 702142.

Almost surely, 2^213405112 is an apocalyptic number.

It is an amenable number.

213405112 is a deficient number, since it is larger than the sum of its proper divisors (207789488).

213405112 is a wasteful number, since it uses less digits than its factorization.

213405112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404006 (or 1404002 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 213405112 is about 14608.3918348325. The cubic root of 213405112 is about 597.5876397884.

Adding to 213405112 its reverse (211504312), we get a palindrome (424909424).

The spelling of 213405112 in words is "two hundred thirteen million, four hundred five thousand, one hundred twelve".