12211069 has 8 divisors (see below), whose sum is σ = 13196792. Its totient is φ = 11232000.

The previous prime is 12211063. The next prime is 12211079. The reversal of 12211069 is 96011221.

It can be written as a sum of positive squares in 4 ways, for example, as 225625 + 11985444 = 475^2 + 3462^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12211069 - 2³ = 12211061 is a prime.

It is a super-2 number, since 2×12211069² = 298220412245522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2569 + ... + 5569.

It is an arithmetic number, because the mean of its divisors is an integer number (1649599).

Almost surely, 2^12211069 is an apocalyptic number.

It is an amenable number.

12211069 is a deficient number, since it is larger than the sum of its proper divisors (985723).

12211069 is a wasteful number, since it uses less digits than its factorization.

12211069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 12211069 is about 3494.4340028108. The cubic root of 12211069 is about 230.2773528713.

The spelling of 12211069 in words is "twelve million, two hundred eleven thousand, sixty-nine".