3804783021312 has 864 divisors, whose sum is σ = 13190867988480. Its totient is φ = 963860889600.

The previous prime is 3804783021241. The next prime is 3804783021349. The reversal of 3804783021312 is 2131203874083.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3305631937 + ... + 3305633087.

It is an arithmetic number, because the mean of its divisors is an integer number (15267208320).

Almost surely, 2^{3804783021312} is an apocalyptic number.

3804783021312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3804783021312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6595433994240).

3804783021312 is an abundant number, since it is smaller than the sum of its proper divisors (9386084967168).

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

3804783021312 is a wasteful number, since it uses less digits than its factorization.

3804783021312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

Adding to 3804783021312 its reverse (2131203874083), we get a palindrome (5935986895395).

The spelling of 3804783021312 in words is "three trillion, eight hundred four billion, seven hundred eighty-three million, twenty-one thousand, three hundred twelve".