12021201122 has 8 divisors (see below), whose sum is σ = 20607773376. Its totient is φ = 5151943332.

The previous prime is 12021201097. The next prime is 12021201151. The reversal of 12021201122 is 22110212021.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 858657223 = 12021201122 / (1 + 2 + 0 + 2 + 1 + 2 + 0 + 1 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 12021201097 and 12021201106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 429328598 + ... + 429328625.

It is an arithmetic number, because the mean of its divisors is an integer number (2575971672).

Almost surely, 2^12021201122 is an apocalyptic number.

12021201122 is a deficient number, since it is larger than the sum of its proper divisors (8586572254).

12021201122 is an equidigital number, since it uses as much as digits as its factorization.

12021201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858657232.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12021201122 its reverse (22110212021), we get a palindrome (34131413143).

The spelling of 12021201122 in words is "twelve billion, twenty-one million, two hundred one thousand, one hundred twenty-two".