12021222201 has 8 divisors (see below), whose sum is σ = 16401047520. Its totient is φ = 7827772512.

The previous prime is 12021222163. The next prime is 12021222217. The reversal of 12021222201 is 10222212021.

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

It is not a de Polignac number, because 12021222201 - 2²³ = 12012833593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12021222281) 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, 46593756 + ... + 46594013.

It is an arithmetic number, because the mean of its divisors is an integer number (2050130940).

Almost surely, 2^12021222201 is an apocalyptic number.

It is an amenable number.

12021222201 is a deficient number, since it is larger than the sum of its proper divisors (4379825319).

12021222201 is an equidigital number, since it uses as much as digits as its factorization.

12021222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93187815.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 12021222201 its reverse (10222212021), we get a palindrome (22243434222).

The spelling of 12021222201 in words is "twelve billion, twenty-one million, two hundred twenty-two thousand, two hundred one".