12512026106 has 8 divisors (see below), whose sum is σ = 18768529524. Its totient is φ = 6255849600.

The previous prime is 12512026103. The next prime is 12512026123. The reversal of 12512026106 is 60162021521.

It can be written as a sum of positive squares in 2 ways, for example, as 12043087081 + 468939025 = 109741^2 + 21655^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12512026103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71156 + ... + 173456.

Almost surely, 2^12512026106 is an apocalyptic number.

12512026106 is a deficient number, since it is larger than the sum of its proper divisors (6256503418).

12512026106 is a wasteful number, since it uses less digits than its factorization.

12512026106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163456.

The product of its (nonzero) digits is 1440, while the sum is 26.

Adding to 12512026106 its reverse (60162021521), we get a palindrome (72674047627).

The spelling of 12512026106 in words is "twelve billion, five hundred twelve million, twenty-six thousand, one hundred six".