12011200221 has 8 divisors (see below), whose sum is σ = 16447769824. Its totient is φ = 7791048720.

The previous prime is 12011200217. The next prime is 12011200259. The reversal of 12011200221 is 12200211021.

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

It is not a de Polignac number, because 12011200221 - 2² = 12011200217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011200197 and 12011200206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011200261) 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, 54104395 + ... + 54104616.

It is an arithmetic number, because the mean of its divisors is an integer number (2055971228).

Almost surely, 2^12011200221 is an apocalyptic number.

It is an amenable number.

12011200221 is a deficient number, since it is larger than the sum of its proper divisors (4436569603).

12011200221 is a wasteful number, since it uses less digits than its factorization.

12011200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108209051.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12011200221 its reverse (12200211021), we get a palindrome (24211411242).

The spelling of 12011200221 in words is "twelve billion, eleven million, two hundred thousand, two hundred twenty-one".