1222203283756 has 96 divisors (see below), whose sum is σ = 2649680409600. Its totient is φ = 480349419264.

The previous prime is 1222203283733. The next prime is 1222203283757. The reversal of 1222203283756 is 6573823022221.

It is not an unprimeable number, because it can be changed into a prime (1222203283757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49026711 + ... + 49051633.

It is an arithmetic number, because the mean of its divisors is an integer number (27600837600).

Almost surely, 2^{1222203283756} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222203283756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324840204800).

1222203283756 is an abundant number, since it is smaller than the sum of its proper divisors (1427477125844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222203283756 is a wasteful number, since it uses less digits than its factorization.

1222203283756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25823 (or 25821 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 1222203283756 in words is "one trillion, two hundred twenty-two billion, two hundred three million, two hundred eighty-three thousand, seven hundred fifty-six".