12098906605 has 8 divisors (see below), whose sum is σ = 14532378264. Its totient is φ = 9669998400.

The previous prime is 12098906593. The next prime is 12098906657. The reversal of 12098906605 is 50660989021.

It can be written as a sum of positive squares in 4 ways, for example, as 1116495396 + 10982411209 = 33414^2 + 104797^2 .

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

It is not a de Polignac number, because 12098906605 - 2⁹ = 12098906093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1135026 + ... + 1145635.

It is an arithmetic number, because the mean of its divisors is an integer number (1816547283).

Almost surely, 2^12098906605 is an apocalyptic number.

It is an amenable number.

12098906605 is a deficient number, since it is larger than the sum of its proper divisors (2433471659).

12098906605 is a wasteful number, since it uses less digits than its factorization.

12098906605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281727.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 12098906605 in words is "twelve billion, ninety-eight million, nine hundred six thousand, six hundred five".