2012301100309 has 4 divisors (see below), whose sum is σ = 2015139325420. Its totient is φ = 2009462875200.

The previous prime is 2012301100261. The next prime is 2012301100331. The reversal of 2012301100309 is 9030011032102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 809379119025 + 1202921981284 = 899655^2 + 1096778^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012301100309 - 2²³ = 2012292711701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2012301100309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012301100339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1419111492 + ... + 1419112909.

It is an arithmetic number, because the mean of its divisors is an integer number (503784831355).

Almost surely, 2^{2012301100309} is an apocalyptic number.

It is an amenable number.

2012301100309 is a deficient number, since it is larger than the sum of its proper divisors (2838225111).

2012301100309 is an equidigital number, since it uses as much as digits as its factorization.

2012301100309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2838225110.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 2012301100309 in words is "two trillion, twelve billion, three hundred one million, one hundred thousand, three hundred nine".