1220233300000 has 288 divisors, whose sum is σ = 3527719086528. Its totient is φ = 409584000000.

The previous prime is 1220233299941. The next prime is 1220233300007. The reversal of 1220233300000 is 33320221.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (1220233300007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14257335 + ... + 14342665.

It is an arithmetic number, because the mean of its divisors is an integer number (12249024606).

Almost surely, 2^{1220233300000} is an apocalyptic number.

1220233300000 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 1220233300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1763859543264).

1220233300000 is an abundant number, since it is smaller than the sum of its proper divisors (2307485786528).

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

1220233300000 is an equidigital number, since it uses as much as digits as its factorization.

1220233300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85390 (or 85362 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 1220233300000 its reverse (33320221), we get a palindrome (1220266620221).

The spelling of 1220233300000 in words is "one trillion, two hundred twenty billion, two hundred thirty-three million, three hundred thousand".