3821345212 has 24 divisors (see below), whose sum is σ = 6982448256. Its totient is φ = 1826463408.

The previous prime is 3821345197. The next prime is 3821345219. The reversal of 3821345212 is 2125431283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821345219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146463 + ... + 170569.

It is an arithmetic number, because the mean of its divisors is an integer number (290935344).

Almost surely, 2^3821345212 is an apocalyptic number.

It is an amenable number.

3821345212 is a deficient number, since it is larger than the sum of its proper divisors (3161103044).

3821345212 is a wasteful number, since it uses less digits than its factorization.

3821345212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25857 (or 25855 counting only the distinct ones).

The product of its digits is 11520, while the sum is 31.

The square root of 3821345212 is about 61817.0301130684. The cubic root of 3821345212 is about 1563.4071395191.

Adding to 3821345212 its reverse (2125431283), we get a palindrome (5946776495).

The spelling of 3821345212 in words is "three billion, eight hundred twenty-one million, three hundred forty-five thousand, two hundred twelve".