12015440130206 has 8 divisors (see below), whose sum is σ = 18023321107584. Its totient is φ = 6007666427680.

The previous prime is 12015440130193. The next prime is 12015440130223. The reversal of 12015440130206 is 60203104451021.

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

It is a congruent number.

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, 26538110 + ... + 26987073.

It is an arithmetic number, because the mean of its divisors is an integer number (2252915138448).

Almost surely, 2^{12015440130206} is an apocalyptic number.

12015440130206 is a deficient number, since it is larger than the sum of its proper divisors (6007880977378).

12015440130206 is a wasteful number, since it uses less digits than its factorization.

12015440130206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53637426.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 12015440130206 its reverse (60203104451021), we get a palindrome (72218544581227).

The spelling of 12015440130206 in words is "twelve trillion, fifteen billion, four hundred forty million, one hundred thirty thousand, two hundred six".