12210969 has 4 divisors (see below), whose sum is σ = 16281296. Its totient is φ = 8140644.

The previous prime is 12210949. The next prime is 12210971. The reversal of 12210969 is 96901221.

It is a happy number.

12210969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12210969 - 2⁵ = 12210937 is a prime.

It is a super-2 number, since 2×12210969² = 298215527837922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (12210949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2035159 + ... + 2035164.

It is an arithmetic number, because the mean of its divisors is an integer number (4070324).

Almost surely, 2^12210969 is an apocalyptic number.

It is an amenable number.

12210969 is a deficient number, since it is larger than the sum of its proper divisors (4070327).

12210969 is an equidigital number, since it uses as much as digits as its factorization.

12210969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4070326.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 12210969 is about 3494.4196943126. The cubic root of 12210969 is about 230.2767242668.

The spelling of 12210969 in words is "twelve million, two hundred ten thousand, nine hundred sixty-nine".