249811212 has 36 divisors (see below), whose sum is σ = 678060600. Its totient is φ = 71374464.

The previous prime is 249811189. The next prime is 249811213. The reversal of 249811212 is 212118942.

It is a happy number.

249811212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 249811212.

It is not an unprimeable number, because it can be changed into a prime (249811213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211837 + ... + 213012.

Almost surely, 2^249811212 is an apocalyptic number.

It is an amenable number.

249811212 is an abundant number, since it is smaller than the sum of its proper divisors (428249388).

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

249811212 is a wasteful number, since it uses less digits than its factorization.

249811212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424870 (or 424861 counting only the distinct ones).

The product of its digits is 2304, while the sum is 30.

The square root of 249811212 is about 15805.4171726026. The cubic root of 249811212 is about 629.8019130319.

The spelling of 249811212 in words is "two hundred forty-nine million, eight hundred eleven thousand, two hundred twelve".