12138045011 has 8 divisors (see below), whose sum is σ = 12262771440. Its totient is φ = 12013527808.

The previous prime is 12138044983. The next prime is 12138045037. The reversal of 12138045011 is 11054083121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12138045011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12138045511) 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, 65675 + ... + 169083.

It is an arithmetic number, because the mean of its divisors is an integer number (1532846430).

Almost surely, 2^12138045011 is an apocalyptic number.

12138045011 is a deficient number, since it is larger than the sum of its proper divisors (124726429).

12138045011 is a wasteful number, since it uses less digits than its factorization.

12138045011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104613.

The product of its (nonzero) digits is 960, while the sum is 26.

The spelling of 12138045011 in words is "twelve billion, one hundred thirty-eight million, forty-five thousand, eleven".