1122217122812 has 12 divisors (see below), whose sum is σ = 1963887604896. Its totient is φ = 561106378560.

The previous prime is 1122217122811. The next prime is 1122217122847. The reversal of 1122217122812 is 2182217122211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122217122811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319012 + ... + 1996052.

It is an arithmetic number, because the mean of its divisors is an integer number (163657300408).

Almost surely, 2^{1122217122812} is an apocalyptic number.

It is an amenable number.

1122217122812 is a deficient number, since it is larger than the sum of its proper divisors (841670482084).

1122217122812 is a wasteful number, since it uses less digits than its factorization.

1122217122812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091428 (or 1091426 counting only the distinct ones).

The product of its digits is 3584, while the sum is 32.

The spelling of 1122217122812 in words is "one trillion, one hundred twenty-two billion, two hundred seventeen million, one hundred twenty-two thousand, eight hundred twelve".