222120320012 has 24 divisors (see below), whose sum is σ = 389898413520. Its totient is φ = 110720885760.

The previous prime is 222120319969. The next prime is 222120320027. The reversal of 222120320012 is 210023021222.

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, 11317664 + ... + 11337272.

It is an arithmetic number, because the mean of its divisors is an integer number (16245767230).

Almost surely, 2^222120320012 is an apocalyptic number.

It is an amenable number.

222120320012 is a deficient number, since it is larger than the sum of its proper divisors (167778093508).

222120320012 is a wasteful number, since it uses less digits than its factorization.

222120320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28121 (or 28119 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 222120320012 its reverse (210023021222), we get a palindrome (432143341234).

The spelling of 222120320012 in words is "two hundred twenty-two billion, one hundred twenty million, three hundred twenty thousand, twelve".