1222120212122 has 16 divisors (see below), whose sum is σ = 1842875712000. Its totient is φ = 607828647360.

The previous prime is 1222120212067. The next prime is 1222120212133. The reversal of 1222120212122 is 2212120212221.

It is a junction number, because it is equal to n+sod(n) for n = 1222120212094 and 1222120212103.

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, 8196029 + ... + 8343807.

It is an arithmetic number, because the mean of its divisors is an integer number (115179732000).

Almost surely, 2^{1222120212122} is an apocalyptic number.

1222120212122 is a deficient number, since it is larger than the sum of its proper divisors (620755499878).

1222120212122 is a wasteful number, since it uses less digits than its factorization.

1222120212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169621.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1222120212122 its reverse (2212120212221), we get a palindrome (3434240424343).

Subtracting 1222120212122 from its reverse (2212120212221), we obtain a palindrome (990000000099).

The spelling of 1222120212122 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, two hundred twelve thousand, one hundred twenty-two".