12500014122 has 80 divisors (see below), whose sum is σ = 29170006272. Its totient is φ = 3996397440.

The previous prime is 12500014117. The next prime is 12500014147. The reversal of 12500014122 is 22141000521.

12500014122 is a `hidden beast` number, since 1 + 2 + 500 + 0 + 141 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12500014095 and 12500014104.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 556473 + ... + 578499.

Almost surely, 2^12500014122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12500014122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14585003136).

12500014122 is an abundant number, since it is smaller than the sum of its proper divisors (16669992150).

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

12500014122 is a wasteful number, since it uses less digits than its factorization.

12500014122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22185 (or 22176 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 12500014122 its reverse (22141000521), we get a palindrome (34641014643).

The spelling of 12500014122 in words is "twelve billion, five hundred million, fourteen thousand, one hundred twenty-two".