1220112103000 has 192 divisors, whose sum is σ = 3363246057600. Its totient is φ = 413027596800.

The previous prime is 1220112102991. The next prime is 1220112103087. The reversal of 1220112103000 is 3012110221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3713404 + ... + 4028596.

It is an arithmetic number, because the mean of its divisors is an integer number (17516906550).

Almost surely, 2^{1220112103000} is an apocalyptic number.

1220112103000 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 1220112103000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1681623028800).

1220112103000 is an abundant number, since it is smaller than the sum of its proper divisors (2143133954600).

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

1220112103000 is a wasteful number, since it uses less digits than its factorization.

1220112103000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315307 (or 315286 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1220112103000 its reverse (3012110221), we get a palindrome (1223124213221).

The spelling of 1220112103000 in words is "one trillion, two hundred twenty billion, one hundred twelve million, one hundred three thousand".