12201011 has 4 divisors (see below), whose sum is σ = 12594624. Its totient is φ = 11807400.

The previous prime is 12200989. The next prime is 12201041. The reversal of 12201011 is 11010221.

12201011 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 an emirpimes, since its reverse is a distinct semiprime: 11010221 = 2467 ⋅4463.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12201011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12201011.

It is not an unprimeable number, because it can be changed into a prime (12201041) 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, 196760 + ... + 196821.

It is an arithmetic number, because the mean of its divisors is an integer number (3148656).

Almost surely, 2^12201011 is an apocalyptic number.

12201011 is a deficient number, since it is larger than the sum of its proper divisors (393613).

12201011 is an equidigital number, since it uses as much as digits as its factorization.

12201011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393612.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 12201011 is about 3492.9945605454. The cubic root of 12201011 is about 230.2141106381.

Adding to 12201011 its reverse (11010221), we get a palindrome (23211232).

The spelling of 12201011 in words is "twelve million, two hundred one thousand, eleven".