12212020002109 has 8 divisors (see below), whose sum is σ = 12226593143160. Its totient is φ = 12197453511936.

The previous prime is 12212020002103. The next prime is 12212020002187. The reversal of 12212020002109 is 90120002021221.

It can be written as a sum of positive squares in 4 ways, for example, as 5297339544025 + 6914680458084 = 2301595^2 + 2629578^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12212020002109 - 2³ = 12212020002101 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 12212020002109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212020002101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2016627 + ... + 5337679.

It is an arithmetic number, because the mean of its divisors is an integer number (1528324142895).

Almost surely, 2^{12212020002109} is an apocalyptic number.

It is an amenable number.

12212020002109 is a deficient number, since it is larger than the sum of its proper divisors (14573141051).

12212020002109 is a wasteful number, since it uses less digits than its factorization.

12212020002109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3325439.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 12212020002109 in words is "twelve trillion, two hundred twelve billion, twenty million, two thousand, one hundred nine".