3812067718920 has 48 divisors (see below), whose sum is σ = 12389220087660. Its totient is φ = 1016551391616.

The previous prime is 3812067718891. The next prime is 3812067718939. The reversal of 3812067718920 is 298177602183.

It is a happy number.

3812067718920 is a `hidden beast` number, since 381 + 2 + 0 + 67 + 7 + 189 + 20 = 666.

3812067718920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3526636108356 + 285431610564 = 1877934^2 + 534258^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5294538139 + ... + 5294538858.

Almost surely, 2^{3812067718920} is an apocalyptic number.

3812067718920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3812067718920 is an abundant number, since it is smaller than the sum of its proper divisors (8577152368740).

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

3812067718920 is a wasteful number, since it uses less digits than its factorization.

3812067718920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10589077014 (or 10589077007 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 3812067718920 in words is "three trillion, eight hundred twelve billion, sixty-seven million, seven hundred eighteen thousand, nine hundred twenty".