1170320212872 has 24 divisors (see below), whose sum is σ = 3169617243390. Its totient is φ = 390106737600.

The previous prime is 1170320212813. The next prime is 1170320212879. The reversal of 1170320212872 is 2782120230711.

It is a happy number.

1170320212872 is a `hidden beast` number, since 1 + 170 + 3 + 202 + 1 + 287 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 709748961156 + 460571251716 = 842466^2 + 678654^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1170320212879) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8127223629 + ... + 8127223772.

Almost surely, 2^{1170320212872} is an apocalyptic number.

1170320212872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1170320212872 is an abundant number, since it is smaller than the sum of its proper divisors (1999297030518).

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

1170320212872 is a wasteful number, since it uses less digits than its factorization.

1170320212872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16254447413 (or 16254447406 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 1170320212872 in words is "one trillion, one hundred seventy billion, three hundred twenty million, two hundred twelve thousand, eight hundred seventy-two".