201001210200 has 576 divisors, whose sum is σ = 824431608000. Its totient is φ = 42838917120.

The previous prime is 201001210133. The next prime is 201001210229. The reversal of 201001210200 is 2012100102.

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 143 ways as a sum of consecutive naturals, for example, 23343496 + ... + 23352104.

It is an arithmetic number, because the mean of its divisors is an integer number (1431304875).

Almost surely, 2^201001210200 is an apocalyptic number.

201001210200 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 201001210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412215804000).

201001210200 is an abundant number, since it is smaller than the sum of its proper divisors (623430397800).

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

201001210200 is a wasteful number, since it uses less digits than its factorization.

201001210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8764 (or 8752 counting only the distinct ones).

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

Adding to 201001210200 its reverse (2012100102), we get a palindrome (203013310302).

The spelling of 201001210200 in words is "two hundred one billion, one million, two hundred ten thousand, two hundred".