12204011 has 4 divisors (see below), whose sum is σ = 12921912. Its totient is φ = 11486112.

The previous prime is 12204001. The next prime is 12204037. The reversal of 12204011 is 11040221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12204011 - 2²² = 8009707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12203983 and 12204001.

It is not an unprimeable number, because it can be changed into a prime (12204001) 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, 358925 + ... + 358958.

It is an arithmetic number, because the mean of its divisors is an integer number (3230478).

Almost surely, 2^12204011 is an apocalyptic number.

12204011 is a deficient number, since it is larger than the sum of its proper divisors (717901).

12204011 is an equidigital number, since it uses as much as digits as its factorization.

12204011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717900.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 12204011 is about 3493.4239651093. The cubic root of 12204011 is about 230.2329775373.

Adding to 12204011 its reverse (11040221), we get a palindrome (23244232).

The spelling of 12204011 in words is "twelve million, two hundred four thousand, eleven".