11212044 has 72 divisors (see below), whose sum is σ = 28779408. Its totient is φ = 3394560.

The previous prime is 11212037. The next prime is 11212051. The reversal of 11212044 is 44021211.

It is an interprime number because it is at equal distance from previous prime (11212037) and next prime (11212051).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183774 + ... + 183834.

It is an arithmetic number, because the mean of its divisors is an integer number (399714).

Almost surely, 2^11212044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11212044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14389704).

11212044 is an abundant number, since it is smaller than the sum of its proper divisors (17567364).

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

11212044 is a wasteful number, since it uses less digits than its factorization.

11212044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 11212044 is about 3348.4390393137. The cubic root of 11212044 is about 223.8179590288.

Adding to 11212044 its reverse (44021211), we get a palindrome (55233255).

The spelling of 11212044 in words is "eleven million, two hundred twelve thousand, forty-four".