1001203572000 has 576 divisors, whose sum is σ = 3462047132544. Its totient is φ = 252622540800.

The previous prime is 1001203571999. The next prime is 1001203572053. The reversal of 1001203572000 is 2753021001.

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, 4372067886 + ... + 4372068114.

It is an arithmetic number, because the mean of its divisors is an integer number (6010498494).

Almost surely, 2^{1001203572000} is an apocalyptic number.

1001203572000 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 1001203572000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1731023566272).

1001203572000 is an abundant number, since it is smaller than the sum of its proper divisors (2460843560544).

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

1001203572000 is an equidigital number, since it uses as much as digits as its factorization.

1001203572000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

Adding to 1001203572000 its reverse (2753021001), we get a palindrome (1003956593001).

The spelling of 1001203572000 in words is "one trillion, one billion, two hundred three million, five hundred seventy-two thousand".