1222310000000 has 128 divisors (see below), whose sum is σ = 3043855488960. Its totient is φ = 488920000000.

The previous prime is 1222309999949. The next prime is 1222310000047. The reversal of 1222310000000 is 132221.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×1222310000000² (a number of 25 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 9938885 + ... + 10061115.

Almost surely, 2^{1222310000000} is an apocalyptic number.

1222310000000 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 1222310000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1521927744480).

1222310000000 is an abundant number, since it is smaller than the sum of its proper divisors (1821545488960).

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

1222310000000 is an frugal number, since it uses more digits than its factorization.

1222310000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122280 (or 122238 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 1222310000000 its reverse (132221), we get a palindrome (1222310132221).

The spelling of 1222310000000 in words is "one trillion, two hundred twenty-two billion, three hundred ten million", and thus it is an aban number.