2001020202012 has 96 divisors (see below), whose sum is σ = 5134293122112. Its totient is φ = 602831241216.

The previous prime is 2001020201987. The next prime is 2001020202029. The reversal of 2001020202012 is 2102020201002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 918868 + ... + 2201444.

It is an arithmetic number, because the mean of its divisors is an integer number (53482220022).

Almost surely, 2^{2001020202012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001020202012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2567146561056).

2001020202012 is an abundant number, since it is smaller than the sum of its proper divisors (3133272920100).

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

2001020202012 is a wasteful number, since it uses less digits than its factorization.

2001020202012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282807 (or 1282805 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2001020202012 its reverse (2102020201002), we get a palindrome (4103040403014).

The spelling of 2001020202012 in words is "two trillion, one billion, twenty million, two hundred two thousand, twelve".