3846139494212 has 12 divisors (see below), whose sum is σ = 6873951436800. Its totient is φ = 1882153369416.

The previous prime is 3846139494209. The next prime is 3846139494217. The reversal of 3846139494212 is 2124949316483.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3846139494217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10229094212 + ... + 10229094587.

It is an arithmetic number, because the mean of its divisors is an integer number (572829286400).

Almost surely, 2^{3846139494212} is an apocalyptic number.

It is an amenable number.

3846139494212 is a deficient number, since it is larger than the sum of its proper divisors (3027811942588).

3846139494212 is a wasteful number, since it uses less digits than its factorization.

3846139494212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20458188850 (or 20458188848 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 56.

The spelling of 3846139494212 in words is "three trillion, eight hundred forty-six billion, one hundred thirty-nine million, four hundred ninety-four thousand, two hundred twelve".