2001919201212 has 24 divisors (see below), whose sum is σ = 5338451203456. Its totient is φ = 571976914608.

The previous prime is 2001919201193. The next prime is 2001919201223. The reversal of 2001919201212 is 2121029191002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001919201212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11916185638 + ... + 11916185805.

Almost surely, 2^{2001919201212} is an apocalyptic number.

It is an amenable number.

2001919201212 is an abundant number, since it is smaller than the sum of its proper divisors (3336532002244).

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

2001919201212 is a wasteful number, since it uses less digits than its factorization.

2001919201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23832371457 (or 23832371455 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 2001919201212 in words is "two trillion, one billion, nine hundred nineteen million, two hundred one thousand, two hundred twelve".