12081101 has 8 divisors (see below), whose sum is σ = 13104504. Its totient is φ = 11092480.

The previous prime is 12081073. The next prime is 12081119. The reversal of 12081101 is 10118021.

It can be written as a sum of positive squares in 4 ways, for example, as 5476 + 12075625 = 74^2 + 3475^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12081101 - 2⁶ = 12081037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12081161) 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, 7970 + ... + 9363.

It is an arithmetic number, because the mean of its divisors is an integer number (1638063).

Almost surely, 2^12081101 is an apocalyptic number.

It is an amenable number.

12081101 is a deficient number, since it is larger than the sum of its proper divisors (1023403).

12081101 is a wasteful number, since it uses less digits than its factorization.

12081101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17391.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 12081101 is about 3475.7878243644. The cubic root of 12081101 is about 229.4574546594.

Adding to 12081101 its reverse (10118021), we get a palindrome (22199122).

The spelling of 12081101 in words is "twelve million, eighty-one thousand, one hundred one".