1222300000000 has 324 divisors, whose sum is σ = 3233670219360. Its totient is φ = 459520000000.

The previous prime is 1222299999979. The next prime is 1222300000001. The reversal of 1222300000000 is 32221.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222300000001) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1699999641 + ... + 1700000359.

It is an arithmetic number, because the mean of its divisors is an integer number (9980463640).

Almost surely, 2^{1222300000000} is an apocalyptic number.

1222300000000 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 1222300000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1616835109680).

1222300000000 is an abundant number, since it is smaller than the sum of its proper divisors (2011370219360).

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

1222300000000 is an frugal number, since it uses more digits than its factorization.

1222300000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 1222300000000 its reverse (32221), we get a palindrome (1222300032221).

The spelling of 1222300000000 in words is "one trillion, two hundred twenty-two billion, three hundred million", and thus it is an aban number.