2011802730812 has 30 divisors (see below), whose sum is σ = 4107186206928. Its totient is φ = 862201166232.

The previous prime is 2011802730809. The next prime is 2011802730871. The reversal of 2011802730812 is 2180372081102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 104728148 + ... + 104747355.

Almost surely, 2^{2011802730812} is an apocalyptic number.

It is an amenable number.

2011802730812 is an abundant number, since it is smaller than the sum of its proper divisors (2095383476116).

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

2011802730812 is an equidigital number, since it uses as much as digits as its factorization.

2011802730812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209475535 (or 209475512 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The spelling of 2011802730812 in words is "two trillion, eleven billion, eight hundred two million, seven hundred thirty thousand, eight hundred twelve".