12032201011221 has 24 divisors (see below), whose sum is σ = 18142064628480. Its totient is φ = 7675488849600.

The previous prime is 12032201011219. The next prime is 12032201011231. The reversal of 12032201011221 is 12211010223021.

12032201011221 is a `hidden beast` number, since 1 + 20 + 322 + 0 + 101 + 1 + 221 = 666.

It is not a de Polignac number, because 12032201011221 - 2¹ = 12032201011219 is a prime.

It is a super-2 number, since 2×12032201011221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12032201011194 and 12032201011203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12032201011231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242257015 + ... + 242306676.

It is an arithmetic number, because the mean of its divisors is an integer number (755919359520).

Almost surely, 2^{12032201011221} is an apocalyptic number.

It is an amenable number.

12032201011221 is a deficient number, since it is larger than the sum of its proper divisors (6109863617259).

12032201011221 is a wasteful number, since it uses less digits than its factorization.

12032201011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484563817 (or 484563814 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12032201011221 its reverse (12211010223021), we get a palindrome (24243211234242).

The spelling of 12032201011221 in words is "twelve trillion, thirty-two billion, two hundred one million, eleven thousand, two hundred twenty-one".