2001100305212 has 6 divisors (see below), whose sum is σ = 3501925534128. Its totient is φ = 1000550152604.

The previous prime is 2001100305199. The next prime is 2001100305223. The reversal of 2001100305212 is 2125030011002.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250137538148 + ... + 250137538155.

It is an arithmetic number, because the mean of its divisors is an integer number (583654255688).

Almost surely, 2^{2001100305212} is an apocalyptic number.

It is an amenable number.

2001100305212 is a deficient number, since it is larger than the sum of its proper divisors (1500825228916).

2001100305212 is a wasteful number, since it uses less digits than its factorization.

2001100305212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500275076307 (or 500275076305 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 2001100305212 its reverse (2125030011002), we get a palindrome (4126130316214).

The spelling of 2001100305212 in words is "two trillion, one billion, one hundred million, three hundred five thousand, two hundred twelve".