12011120222 has 4 divisors (see below), whose sum is σ = 18016680336. Its totient is φ = 6005560110.

The previous prime is 12011120201. The next prime is 12011120287. The reversal of 12011120222 is 22202111021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22202111021 = 19 ⋅1168532159.

It is a junction number, because it is equal to n+sod(n) for n = 12011120197 and 12011120206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3002780054 + ... + 3002780057.

It is an arithmetic number, because the mean of its divisors is an integer number (4504170084).

Almost surely, 2^12011120222 is an apocalyptic number.

12011120222 is a deficient number, since it is larger than the sum of its proper divisors (6005560114).

12011120222 is an equidigital number, since it uses as much as digits as its factorization.

12011120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005560113.

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

Adding to 12011120222 its reverse (22202111021), we get a palindrome (34213231243).

The spelling of 12011120222 in words is "twelve billion, eleven million, one hundred twenty thousand, two hundred twenty-two".