12515041234 has 8 divisors (see below), whose sum is σ = 19419891660. Its totient is φ = 6041744016.

The previous prime is 12515041229. The next prime is 12515041241. The reversal of 12515041234 is 43214051521.

It can be written as a sum of positive squares in 2 ways, for example, as 11267185609 + 1247855625 = 106147^2 + 35325^2 .

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, 107888229 + ... + 107888344.

Almost surely, 2^12515041234 is an apocalyptic number.

12515041234 is a deficient number, since it is larger than the sum of its proper divisors (6904850426).

12515041234 is a wasteful number, since it uses less digits than its factorization.

12515041234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215776604.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 12515041234 its reverse (43214051521), we get a palindrome (55729092755).

The spelling of 12515041234 in words is "twelve billion, five hundred fifteen million, forty-one thousand, two hundred thirty-four".