1920182819212 has 12 divisors (see below), whose sum is σ = 3840365638480. Its totient is φ = 822935493936.

The previous prime is 1920182819201. The next prime is 1920182819251. The reversal of 1920182819212 is 2129182810291.

It is a happy number.

1920182819212 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34288978887 + ... + 34288978942.

Almost surely, 2^{1920182819212} is an apocalyptic number.

It is an amenable number.

1920182819212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1920182819212 is a wasteful number, since it uses less digits than its factorization.

1920182819212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68577957840 (or 68577957838 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 46.

The spelling of 1920182819212 in words is "one trillion, nine hundred twenty billion, one hundred eighty-two million, eight hundred nineteen thousand, two hundred twelve".