12010112221 has 8 divisors (see below), whose sum is σ = 12111876000. Its totient is φ = 11908734000.

The previous prime is 12010112207. The next prime is 12010112263. The reversal of 12010112221 is 12221101021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12010112221 is a prime.

It is a super-2 number, since 2×12010112221² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010112321) 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, 33655 + ... + 158596.

It is an arithmetic number, because the mean of its divisors is an integer number (1513984500).

Almost surely, 2^12010112221 is an apocalyptic number.

It is an amenable number.

12010112221 is a deficient number, since it is larger than the sum of its proper divisors (101763779).

12010112221 is a wasteful number, since it uses less digits than its factorization.

12010112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192779.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12010112221 its reverse (12221101021), we get a palindrome (24231213242).

The spelling of 12010112221 in words is "twelve billion, ten million, one hundred twelve thousand, two hundred twenty-one".