1220112003300 has 288 divisors, whose sum is σ = 3681851846400. Its totient is φ = 311578122240.

The previous prime is 1220112003277. The next prime is 1220112003301. The reversal of 1220112003300 is 33002110221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1220112003300.

It is not an unprimeable number, because it can be changed into a prime (1220112003301) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1204453594 + ... + 1204454606.

It is an arithmetic number, because the mean of its divisors is an integer number (12784207800).

Almost surely, 2^{1220112003300} is an apocalyptic number.

1220112003300 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 1220112003300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1840925923200).

1220112003300 is an abundant number, since it is smaller than the sum of its proper divisors (2461739843100).

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

1220112003300 is a wasteful number, since it uses less digits than its factorization.

1220112003300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055 (or 2048 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1220112003300 its reverse (33002110221), we get a palindrome (1253114113521).

The spelling of 1220112003300 in words is "one trillion, two hundred twenty billion, one hundred twelve million, three thousand, three hundred".