1223213300000 has 144 divisors (see below), whose sum is σ = 3038216791680. Its totient is φ = 484708320000.

The previous prime is 1223213299991. The next prime is 1223213300039. The reversal of 1223213300000 is 33123221.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10642841 + ... + 10757159.

It is an arithmetic number, because the mean of its divisors is an integer number (21098727720).

Almost surely, 2^{1223213300000} is an apocalyptic number.

1223213300000 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 1223213300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1519108395840).

1223213300000 is an abundant number, since it is smaller than the sum of its proper divisors (1815003491680).

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

1223213300000 is an equidigital number, since it uses as much as digits as its factorization.

1223213300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114461 (or 114433 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1223213300000 its reverse (33123221), we get a palindrome (1223246423221).

The spelling of 1223213300000 in words is "one trillion, two hundred twenty-three billion, two hundred thirteen million, three hundred thousand".