1222222120012 has 6 divisors (see below), whose sum is σ = 2138888710028. Its totient is φ = 611111060004.

The previous prime is 1222222120003. The next prime is 1222222120033. The reversal of 1222222120012 is 2100212222221.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152777764998 + ... + 152777765005.

Almost surely, 2^{1222222120012} is an apocalyptic number.

It is an amenable number.

1222222120012 is a deficient number, since it is larger than the sum of its proper divisors (916666590016).

1222222120012 is a wasteful number, since it uses less digits than its factorization.

1222222120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305555530007 (or 305555530005 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1222222120012 its reverse (2100212222221), we get a palindrome (3322434342233).

The spelling of 1222222120012 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred twenty thousand, twelve".