1220103000000 has 588 divisors, whose sum is σ = 4534258679496. Its totient is φ = 325296000000.

The previous prime is 1220102999993. The next prime is 1220103000001. The reversal of 1220103000000 is 3010221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220103000001) by changing a digit.

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 83 ways as a sum of consecutive naturals, for example, 242997490 + ... + 243002510.

Almost surely, 2^{1220103000000} is an apocalyptic number.

1220103000000 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 1220103000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2267129339748).

1220103000000 is an abundant number, since it is smaller than the sum of its proper divisors (3314155679496).

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

1220103000000 is an frugal number, since it uses more digits than its factorization.

1220103000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5078 (or 5031 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 1220103000000 its reverse (3010221), we get a palindrome (1220106010221).

The spelling of 1220103000000 in words is "one trillion, two hundred twenty billion, one hundred three million", and thus it is an aban number.