12148428818 has 8 divisors (see below), whose sum is σ = 18715147212. Its totient is φ = 5910046416.

The previous prime is 12148428797. The next prime is 12148428827. The reversal of 12148428818 is 81882484121.

It can be written as a sum of positive squares in 2 ways, for example, as 12145582849 + 2845969 = 110207^2 + 1687^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82083905 + ... + 82084052.

Almost surely, 2^12148428818 is an apocalyptic number.

12148428818 is a deficient number, since it is larger than the sum of its proper divisors (6566718394).

12148428818 is a wasteful number, since it uses less digits than its factorization.

12148428818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164167996.

The product of its digits is 262144, while the sum is 47.

The spelling of 12148428818 in words is "twelve billion, one hundred forty-eight million, four hundred twenty-eight thousand, eight hundred eighteen".