12012222022 has 8 divisors (see below), whose sum is σ = 18097016400. Its totient is φ = 5979883224.

The previous prime is 12012222017. The next prime is 12012222091. The reversal of 12012222022 is 22022221021.

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

It is a junction number, because it is equal to n+sod(n) for n = 12012221987 and 12012222005.

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, 13113322 + ... + 13114237.

It is an arithmetic number, because the mean of its divisors is an integer number (2262127050).

Almost surely, 2^12012222022 is an apocalyptic number.

12012222022 is a deficient number, since it is larger than the sum of its proper divisors (6084794378).

12012222022 is a wasteful number, since it uses less digits than its factorization.

12012222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26227790.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 12012222022 its reverse (22022221021), we get a palindrome (34034443043).

The spelling of 12012222022 in words is "twelve billion, twelve million, two hundred twenty-two thousand, twenty-two".