1001201202000 has 320 divisors, whose sum is σ = 3589580966400. Its totient is φ = 266759539200.

The previous prime is 1001201201993. The next prime is 1001201202013. The reversal of 1001201202000 is 2021021001.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68950741 + ... + 68965259.

It is an arithmetic number, because the mean of its divisors is an integer number (11217440520).

Almost surely, 2^{1001201202000} is an apocalyptic number.

1001201202000 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 1001201202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1794790483200).

1001201202000 is an abundant number, since it is smaller than the sum of its proper divisors (2588379764400).

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

1001201202000 is a wasteful number, since it uses less digits than its factorization.

1001201202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15828 (or 15806 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1001201202000 its reverse (2021021001), we get a palindrome (1003222223001).

The spelling of 1001201202000 in words is "one trillion, one billion, two hundred one million, two hundred two thousand".