2001012210210 has 64 divisors (see below), whose sum is σ = 5259505426560. Its totient is φ = 484208424960.

The previous prime is 2001012210199. The next prime is 2001012210259. The reversal of 2001012210210 is 120122101002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43458351 + ... + 43504370.

It is an arithmetic number, because the mean of its divisors is an integer number (82179772290).

Almost surely, 2^{2001012210210} is an apocalyptic number.

2001012210210 is an abundant number, since it is smaller than the sum of its proper divisors (3258493216350).

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

2001012210210 is a wasteful number, since it uses less digits than its factorization.

2001012210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86962803.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2001012210210 its reverse (120122101002), we get a palindrome (2121134311212).

The spelling of 2001012210210 in words is "two trillion, one billion, twelve million, two hundred ten thousand, two hundred ten".