11219212 has 12 divisors (see below), whose sum is σ = 19663560. Its totient is φ = 5601056.

The previous prime is 11219209. The next prime is 11219231. The reversal of 11219212 is 21291211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11219212.

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, 1503 + ... + 4969.

It is an arithmetic number, because the mean of its divisors is an integer number (1638630).

Almost surely, 2^11219212 is an apocalyptic number.

It is an amenable number.

11219212 is a deficient number, since it is larger than the sum of its proper divisors (8444348).

11219212 is a wasteful number, since it uses less digits than its factorization.

11219212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4280 (or 4278 counting only the distinct ones).

The product of its digits is 72, while the sum is 19.

The square root of 11219212 is about 3349.5092177810. The cubic root of 11219212 is about 223.8656454085.

The spelling of 11219212 in words is "eleven million, two hundred nineteen thousand, two hundred twelve".