222120111010012 has 12 divisors (see below), whose sum is σ = 388710317628360. Its totient is φ = 111060020259056.

The previous prime is 222120111009971. The next prime is 222120111010019. The reversal of 222120111010012 is 210010111021222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222120111010019) 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, 9679539 + ... + 23193397.

It is an arithmetic number, because the mean of its divisors is an integer number (32392526469030).

Almost surely, 2^{222120111010012} is an apocalyptic number.

It is an amenable number.

222120111010012 is a deficient number, since it is larger than the sum of its proper divisors (166590206618348).

222120111010012 is a wasteful number, since it uses less digits than its factorization.

222120111010012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17622980 (or 17622978 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222120111010012 its reverse (210010111021222), we get a palindrome (432130222031234).

The spelling of 222120111010012 in words is "two hundred twenty-two trillion, one hundred twenty billion, one hundred eleven million, ten thousand, twelve".