1222031222000 has 160 divisors (see below), whose sum is σ = 3070413385728. Its totient is φ = 469908000000.

The previous prime is 1222031221913. The next prime is 1222031222021. The reversal of 1222031222000 is 2221302221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222031222000.

It is a congruent number.

It is an unprimeable number.

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, 9296735 + ... + 9427265.

Almost surely, 2^{1222031222000} is an apocalyptic number.

1222031222000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222031222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1535206692864).

1222031222000 is an abundant number, since it is smaller than the sum of its proper divisors (1848382163728).

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

1222031222000 is a wasteful number, since it uses less digits than its factorization.

1222031222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130736 (or 130720 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 1222031222000 its reverse (2221302221), we get a palindrome (1224252524221).

The spelling of 1222031222000 in words is "one trillion, two hundred twenty-two billion, thirty-one million, two hundred twenty-two thousand".