1209097532160 has 1728 divisors, whose sum is σ = 5355266918400. Its totient is φ = 256898138112.

The previous prime is 1209097532147. The next prime is 1209097532177. The reversal of 1209097532160 is 612357909021.

It is a happy number.

1209097532160 is a `hidden beast` number, since 1 + 20 + 9 + 0 + 97 + 532 + 1 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1441117021 + ... + 1441117859.

It is an arithmetic number, because the mean of its divisors is an integer number (3099112800).

Almost surely, 2^{1209097532160} is an apocalyptic number.

1209097532160 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 1209097532160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2677633459200).

1209097532160 is an abundant number, since it is smaller than the sum of its proper divisors (4146169386240).

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

1209097532160 is a wasteful number, since it uses less digits than its factorization.

1209097532160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The spelling of 1209097532160 in words is "one trillion, two hundred nine billion, ninety-seven million, five hundred thirty-two thousand, one hundred sixty".