1002001203000 has 384 divisors, whose sum is σ = 3925120343040. Its totient is φ = 225802080000.

The previous prime is 1002001202977. The next prime is 1002001203017. The reversal of 1002001203000 is 3021002001.

It is a happy number.

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4360995 + ... + 4585005.

It is an arithmetic number, because the mean of its divisors is an integer number (10221667560).

Almost surely, 2^{1002001203000} is an apocalyptic number.

1002001203000 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 1002001203000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1962560171520).

1002001203000 is an abundant number, since it is smaller than the sum of its proper divisors (2923119140040).

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

1002001203000 is a wasteful number, since it uses less digits than its factorization.

1002001203000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224116 (or 224099 counting only the distinct ones).

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

Adding to 1002001203000 its reverse (3021002001), we get a palindrome (1005022205001).

The spelling of 1002001203000 in words is "one trillion, two billion, one million, two hundred three thousand".