1328196530412 has 72 divisors (see below), whose sum is σ = 3534846114800. Its totient is φ = 419340768768.

The previous prime is 1328196530389. The next prime is 1328196530447. The reversal of 1328196530412 is 2140356918231.

1328196530412 is a `hidden beast` number, since 1 + 3 + 28 + 1 + 96 + 530 + 4 + 1 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3029328 + ... + 3439944.

Almost surely, 2^{1328196530412} is an apocalyptic number.

1328196530412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1328196530412 is an abundant number, since it is smaller than the sum of its proper divisors (2206649584388).

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

1328196530412 is a wasteful number, since it uses less digits than its factorization.

1328196530412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415375 (or 415370 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 1328196530412 in words is "one trillion, three hundred twenty-eight billion, one hundred ninety-six million, five hundred thirty thousand, four hundred twelve".