193991962312 has 128 divisors (see below), whose sum is σ = 397434470400. Its totient is φ = 88522866432.

The previous prime is 193991962309. The next prime is 193991962321. The reversal of 193991962312 is 213269199391.

193991962312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

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 31 ways as a sum of consecutive naturals, for example, 110284489 + ... + 110286247.

It is an arithmetic number, because the mean of its divisors is an integer number (3104956800).

Almost surely, 2^193991962312 is an apocalyptic number.

It is an amenable number.

193991962312 is an abundant number, since it is smaller than the sum of its proper divisors (203442508088).

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

193991962312 is a wasteful number, since it uses less digits than its factorization.

193991962312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2147 (or 2143 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 55.

The spelling of 193991962312 in words is "one hundred ninety-three billion, nine hundred ninety-one million, nine hundred sixty-two thousand, three hundred twelve".