201203001032100 has 144 divisors (see below), whose sum is σ = 583492475966400. Its totient is φ = 53530191756800.

The previous prime is 201203001032093. The next prime is 201203001032101. The reversal of 201203001032100 is 1230100302102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201203001032100.

It is not an unprimeable number, because it can be changed into a prime (201203001032101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1016267719 + ... + 1016465681.

It is an arithmetic number, because the mean of its divisors is an integer number (4052031083100).

Almost surely, 2^{201203001032100} is an apocalyptic number.

201203001032100 is a gapful number since it is divisible by the number (20) 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 201203001032100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291746237983200).

201203001032100 is an abundant number, since it is smaller than the sum of its proper divisors (382289474934300).

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

201203001032100 is a wasteful number, since it uses less digits than its factorization.

201203001032100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205790 (or 205783 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 201203001032100 its reverse (1230100302102), we get a palindrome (202433101334202).

The spelling of 201203001032100 in words is "two hundred one trillion, two hundred three billion, one million, thirty-two thousand, one hundred".