12090134309 has 16 divisors (see below), whose sum is σ = 13325515200. Its totient is φ = 10878000000.

The previous prime is 12090134291. The next prime is 12090134339. The reversal of 12090134309 is 90343109021.

It is a cyclic number.

It is not a de Polignac number, because 12090134309 - 2³² = 7795167013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12090134339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 447434 + ... + 473684.

It is an arithmetic number, because the mean of its divisors is an integer number (832844700).

Almost surely, 2^12090134309 is an apocalyptic number.

It is an amenable number.

12090134309 is a deficient number, since it is larger than the sum of its proper divisors (1235380891).

12090134309 is a wasteful number, since it uses less digits than its factorization.

12090134309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26692.

The product of its (nonzero) digits is 5832, while the sum is 32.

The spelling of 12090134309 in words is "twelve billion, ninety million, one hundred thirty-four thousand, three hundred nine".