12102034409 has 4 divisors (see below), whose sum is σ = 12813918804. Its totient is φ = 11390150016.

The previous prime is 12102034397. The next prime is 12102034447. The reversal of 12102034409 is 90443020121.

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 3393412009 + 8708622400 = 58253^2 + 93320^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102034409 - 2¹⁶ = 12101968873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12102094409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355942172 + ... + 355942205.

It is an arithmetic number, because the mean of its divisors is an integer number (3203479701).

Almost surely, 2^12102034409 is an apocalyptic number.

It is an amenable number.

12102034409 is a deficient number, since it is larger than the sum of its proper divisors (711884395).

12102034409 is an equidigital number, since it uses as much as digits as its factorization.

12102034409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711884394.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 12102034409 in words is "twelve billion, one hundred two million, thirty-four thousand, four hundred nine".