2001000201210 has 48 divisors (see below), whose sum is σ = 5204034201600. Its totient is φ = 533453009760.

The previous prime is 2001000201169. The next prime is 2001000201217. The reversal of 2001000201210 is 121020001002.

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

It is a junction number, because it is equal to n+sod(n) for n = 2001000201192 and 2001000201201.

It is not an unprimeable number, because it can be changed into a prime (2001000201217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2734810 + ... + 3388389.

It is an arithmetic number, because the mean of its divisors is an integer number (108417379200).

Almost surely, 2^{2001000201210} is an apocalyptic number.

2001000201210 is an abundant number, since it is smaller than the sum of its proper divisors (3203034000390).

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

2001000201210 is a wasteful number, since it uses less digits than its factorization.

2001000201210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126843 (or 6126840 counting only the distinct ones).

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

Adding to 2001000201210 its reverse (121020001002), we get a palindrome (2122020202212).

The spelling of 2001000201210 in words is "two trillion, one billion, two hundred one thousand, two hundred ten".