3818420181412 has 12 divisors (see below), whose sum is σ = 6912657225180. Its totient is φ = 1843375259936.

The previous prime is 3818420181403. The next prime is 3818420181461. The reversal of 3818420181412 is 2141810248183.

It can be written as a sum of positive squares in 2 ways, for example, as 2613026988196 + 1205393193216 = 1616486^2 + 1097904^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16458707563 + ... + 16458707794.

It is an arithmetic number, because the mean of its divisors is an integer number (576054768765).

Almost surely, 2^{3818420181412} is an apocalyptic number.

It is an amenable number.

3818420181412 is a deficient number, since it is larger than the sum of its proper divisors (3094237043768).

3818420181412 is a wasteful number, since it uses less digits than its factorization.

3818420181412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32917415390 (or 32917415388 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 43.

The spelling of 3818420181412 in words is "three trillion, eight hundred eighteen billion, four hundred twenty million, one hundred eighty-one thousand, four hundred twelve".