12045221201 has 8 divisors (see below), whose sum is σ = 13128064320. Its totient is φ = 10984704912.

The previous prime is 12045221183. The next prime is 12045221249. The reversal of 12045221201 is 10212254021.

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-12045221201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12045221291) 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, 5580581 + ... + 5582738.

It is an arithmetic number, because the mean of its divisors is an integer number (1641008040).

Almost surely, 2^12045221201 is an apocalyptic number.

It is an amenable number.

12045221201 is a deficient number, since it is larger than the sum of its proper divisors (1082843119).

12045221201 is a wasteful number, since it uses less digits than its factorization.

12045221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11163415.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 12045221201 its reverse (10212254021), we get a palindrome (22257475222).

The spelling of 12045221201 in words is "twelve billion, forty-five million, two hundred twenty-one thousand, two hundred one".