12011010441 has 4 divisors (see below), whose sum is σ = 16014680592. Its totient is φ = 8007340292.

The previous prime is 12011010371. The next prime is 12011010457. The reversal of 12011010441 is 14401011021.

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 a cyclic number.

It is not a de Polignac number, because 12011010441 - 2²¹ = 12008913289 is a prime.

It is a super-2 number, since 2×12011010441² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12011010441.

It is not an unprimeable number, because it can be changed into a prime (12011014441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001835071 + ... + 2001835076.

It is an arithmetic number, because the mean of its divisors is an integer number (4003670148).

Almost surely, 2^12011010441 is an apocalyptic number.

It is an amenable number.

12011010441 is a deficient number, since it is larger than the sum of its proper divisors (4003670151).

12011010441 is an equidigital number, since it uses as much as digits as its factorization.

12011010441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003670150.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12011010441 its reverse (14401011021), we get a palindrome (26412021462).

The spelling of 12011010441 in words is "twelve billion, eleven million, ten thousand, four hundred forty-one".