11212299 has 72 divisors (see below), whose sum is σ = 21396960. Its totient is φ = 5515776.

The previous prime is 11212291. The next prime is 11212319. The reversal of 11212299 is 99221211.

It is not a de Polignac number, because 11212299 - 2³ = 11212291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11212291) 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 71 ways as a sum of consecutive naturals, for example, 386617 + ... + 386645.

It is an arithmetic number, because the mean of its divisors is an integer number (297180).

Almost surely, 2^11212299 is an apocalyptic number.

11212299 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

11212299 is a deficient number, since it is larger than the sum of its proper divisors (10184661).

11212299 is a wasteful number, since it uses less digits than its factorization.

11212299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 75 counting only the distinct ones).

The product of its digits is 648, while the sum is 27.

The square root of 11212299 is about 3348.4771165412. The cubic root of 11212299 is about 223.8196558097.

It can be divided in two parts, 11212 and 299, that added together give a palindrome (11511).

The spelling of 11212299 in words is "eleven million, two hundred twelve thousand, two hundred ninety-nine".