1012200002109 has 16 divisors (see below), whose sum is σ = 1499729684800. Its totient is φ = 674721644688.

The previous prime is 1012200002087. The next prime is 1012200002117. The reversal of 1012200002109 is 9012000022101.

It is not a de Polignac number, because 1012200002109 - 2¹² = 1012199998013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012200002091 and 1012200002100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012200002309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1939279 + ... + 2405244.

It is an arithmetic number, because the mean of its divisors is an integer number (93733105300).

Almost surely, 2^{1012200002109} is an apocalyptic number.

It is an amenable number.

1012200002109 is a deficient number, since it is larger than the sum of its proper divisors (487529682691).

1012200002109 is an equidigital number, since it uses as much as digits as its factorization.

1012200002109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4353161 (or 4353155 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 1012200002109 in words is "one trillion, twelve billion, two hundred million, two thousand, one hundred nine".