1996578332712 has 64 divisors (see below), whose sum is σ = 5551278753600. Its totient is φ = 664898771520.

The previous prime is 1996578332689. The next prime is 1996578332729. The reversal of 1996578332712 is 2172338756991.

1996578332712 is a `hidden beast` number, since 1 + 9 + 9 + 6 + 578 + 33 + 27 + 1 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1996578332712.

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 15 ways as a sum of consecutive naturals, for example, 4126818 + ... + 4585169.

It is an arithmetic number, because the mean of its divisors is an integer number (86738730525).

Almost surely, 2^{1996578332712} is an apocalyptic number.

1996578332712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1996578332712 is an abundant number, since it is smaller than the sum of its proper divisors (3554700420888).

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

1996578332712 is a wasteful number, since it uses less digits than its factorization.

1996578332712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8713063 (or 8713053 counting only the distinct ones).

The product of its digits is 34292160, while the sum is 63.

The spelling of 1996578332712 in words is "one trillion, nine hundred ninety-six billion, five hundred seventy-eight million, three hundred thirty-two thousand, seven hundred twelve".