222120002012 has 12 divisors (see below), whose sum is σ = 388760363040. Its totient is φ = 111045612576.

The previous prime is 222120002011. The next prime is 222120002029. The reversal of 222120002012 is 210200021222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120002011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3562337 + ... + 3624152.

It is an arithmetic number, because the mean of its divisors is an integer number (32396696920).

Almost surely, 2^222120002012 is an apocalyptic number.

It is an amenable number.

222120002012 is a deficient number, since it is larger than the sum of its proper divisors (166640361028).

222120002012 is a wasteful number, since it uses less digits than its factorization.

222120002012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7194220 (or 7194218 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222120002012 its reverse (210200021222), we get a palindrome (432320023234).

The spelling of 222120002012 in words is "two hundred twenty-two billion, one hundred twenty million, two thousand, twelve".