3835843783212 has 144 divisors (see below), whose sum is σ = 10691559567360. Its totient is φ = 1066809115008.

The previous prime is 3835843783171. The next prime is 3835843783241. The reversal of 3835843783212 is 2123873485383.

3835843783212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3835843783212² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3473239 + ... + 4442417.

It is an arithmetic number, because the mean of its divisors is an integer number (74246941440).

Almost surely, 2^{3835843783212} 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 3835843783212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5345779783680).

3835843783212 is an abundant number, since it is smaller than the sum of its proper divisors (6855715784148).

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

3835843783212 is a wasteful number, since it uses less digits than its factorization.

3835843783212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969380 (or 969371 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 57.

The spelling of 3835843783212 in words is "three trillion, eight hundred thirty-five billion, eight hundred forty-three million, seven hundred eighty-three thousand, two hundred twelve".