12011022222 has 8 divisors (see below), whose sum is σ = 24022044456. Its totient is φ = 4003674072.

The previous prime is 12011022209. The next prime is 12011022241. The reversal of 12011022222 is 22222011021.

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

12011022222 is an admirable number.

It is a congruent number.

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, 1000918513 + ... + 1000918524.

It is an arithmetic number, because the mean of its divisors is an integer number (3002755557).

Almost surely, 2^12011022222 is an apocalyptic number.

12011022222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12011022222 is a wasteful number, since it uses less digits than its factorization.

12011022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001837042.

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

Adding to 12011022222 its reverse (22222011021), we get a palindrome (34233033243).

The spelling of 12011022222 in words is "twelve billion, eleven million, twenty-two thousand, two hundred twenty-two".