222100120012 has 24 divisors (see below), whose sum is σ = 402300203760. Its totient is φ = 107161440960.

The previous prime is 222100120007. The next prime is 222100120049. The reversal of 222100120012 is 210021001222.

It is a happy number.

222100120012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 222100119974 and 222100120001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318543 + ... + 738694.

It is an arithmetic number, because the mean of its divisors is an integer number (16762508490).

Almost surely, 2^222100120012 is an apocalyptic number.

It is an amenable number.

222100120012 is a deficient number, since it is larger than the sum of its proper divisors (180200083748).

222100120012 is a wasteful number, since it uses less digits than its factorization.

222100120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059081 (or 1059079 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 222100120012 its reverse (210021001222), we get a palindrome (432121121234).

The spelling of 222100120012 in words is "two hundred twenty-two billion, one hundred million, one hundred twenty thousand, twelve".