12512227134 has 32 divisors (see below), whose sum is σ = 27315282816. Its totient is φ = 3789378720.

The previous prime is 12512227129. The next prime is 12512227151. The reversal of 12512227134 is 43172221521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61044 + ... + 169560.

It is an arithmetic number, because the mean of its divisors is an integer number (853602588).

Almost surely, 2^12512227134 is an apocalyptic number.

12512227134 is an abundant number, since it is smaller than the sum of its proper divisors (14803055682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12512227134 is a wasteful number, since it uses less digits than its factorization.

12512227134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110280.

The product of its digits is 6720, while the sum is 30.

Adding to 12512227134 its reverse (43172221521), we get a palindrome (55684448655).

The spelling of 12512227134 in words is "twelve billion, five hundred twelve million, two hundred twenty-seven thousand, one hundred thirty-four".