12032201121 has 16 divisors (see below), whose sum is σ = 16076867520. Its totient is φ = 8004522240.

The previous prime is 12032201087. The next prime is 12032201143. The reversal of 12032201121 is 12110223021.

It is not a de Polignac number, because 12032201121 - 2¹⁴ = 12032184737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12032201121.

It is not an unprimeable number, because it can be changed into a prime (12032201021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4433661 + ... + 4436373.

It is an arithmetic number, because the mean of its divisors is an integer number (1004804220).

Almost surely, 2^12032201121 is an apocalyptic number.

It is an amenable number.

12032201121 is a deficient number, since it is larger than the sum of its proper divisors (4044666399).

12032201121 is a wasteful number, since it uses less digits than its factorization.

12032201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5296.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 12032201121 its reverse (12110223021), we get a palindrome (24142424142).

The spelling of 12032201121 in words is "twelve billion, thirty-two million, two hundred one thousand, one hundred twenty-one".