1222120202012 has 12 divisors (see below), whose sum is σ = 2138776531080. Its totient is φ = 611041193136.

The previous prime is 1222120201993. The next prime is 1222120202027. The reversal of 1222120202012 is 2102020212221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4581038 + ... + 4840469.

It is an arithmetic number, because the mean of its divisors is an integer number (178231377590).

Almost surely, 2^{1222120202012} is an apocalyptic number.

It is an amenable number.

1222120202012 is a deficient number, since it is larger than the sum of its proper divisors (916656329068).

1222120202012 is a wasteful number, since it uses less digits than its factorization.

1222120202012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9453940 (or 9453938 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1222120202012 its reverse (2102020212221), we get a palindrome (3324140414233).

The spelling of 1222120202012 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, two hundred two thousand, twelve".