1209110109082 has 4 divisors (see below), whose sum is σ = 1813665163626. Its totient is φ = 604555054540.

The previous prime is 1209110109079. The next prime is 1209110109083. The reversal of 1209110109082 is 2809010119021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1045933698681 + 163176410401 = 1022709^2 + 403951^2 .

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 as a sum of consecutive naturals, namely, 302277527269 + ... + 302277527272.

Almost surely, 2^{1209110109082} is an apocalyptic number.

1209110109082 is a deficient number, since it is larger than the sum of its proper divisors (604555054544).

1209110109082 is an equidigital number, since it uses as much as digits as its factorization.

1209110109082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604555054543.

The product of its (nonzero) digits is 2592, while the sum is 34.

The spelling of 1209110109082 in words is "one trillion, two hundred nine billion, one hundred ten million, one hundred nine thousand, eighty-two".