1319998680000 has 4200 divisors, whose sum is σ = 6793496960096. Its totient is φ = 246343680000.

The previous prime is 1319998679999. The next prime is 1319998680031. The reversal of 1319998680000 is 868999131.

It is a tau number, because it is divible by the number of its divisors (4200).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 599 ways as a sum of consecutive naturals, for example, 35675639982 + ... + 35675640018.

Almost surely, 2^{1319998680000} is an apocalyptic number.

1319998680000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1319998680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3396748480048).

1319998680000 is an abundant number, since it is smaller than the sum of its proper divisors (5473498280096).

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

1319998680000 is a wasteful number, since it uses less digits than its factorization.

1319998680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 1319998680000 in words is "one trillion, three hundred nineteen billion, nine hundred ninety-eight million, six hundred eighty thousand".