1199109329000 has 128 divisors (see below), whose sum is σ = 3135658780800. Its totient is φ = 425404480000.

The previous prime is 1199109328973. The next prime is 1199109329003. The reversal of 1199109329000 is 9239019911.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (1199109329003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 878390 + ... + 1780389.

It is an arithmetic number, because the mean of its divisors is an integer number (24497334225).

Almost surely, 2^{1199109329000} is an apocalyptic number.

1199109329000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1199109329000 is an abundant number, since it is smaller than the sum of its proper divisors (1936549451800).

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

1199109329000 is a wasteful number, since it uses less digits than its factorization.

1199109329000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658852 (or 2658838 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 44.

The spelling of 1199109329000 in words is "one trillion, one hundred ninety-nine billion, one hundred nine million, three hundred twenty-nine thousand".