1209110109084 has 24 divisors (see below), whose sum is σ = 3134729912720. Its totient is φ = 403036702992.

The previous prime is 1209110109083. The next prime is 1209110109127. The reversal of 1209110109084 is 4809010119021.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1209110109083) 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 7 ways as a sum of consecutive naturals, for example, 5597731879 + ... + 5597732094.

Almost surely, 2^{1209110109084} is an apocalyptic number.

It is an amenable number.

1209110109084 is an abundant number, since it is smaller than the sum of its proper divisors (1925619803636).

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

1209110109084 is a wasteful number, since it uses less digits than its factorization.

1209110109084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11195463986 (or 11195463978 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The spelling of 1209110109084 in words is "one trillion, two hundred nine billion, one hundred ten million, one hundred nine thousand, eighty-four".