12506000222 has 32 divisors (see below), whose sum is σ = 20934266880. Its totient is φ = 5577841440.

The previous prime is 12506000209. The next prime is 12506000237. The reversal of 12506000222 is 22200060521.

It is a junction number, because it is equal to n+sod(n) for n = 12506000194 and 12506000203.

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, 99878 + ... + 187049.

It is an arithmetic number, because the mean of its divisors is an integer number (654195840).

Almost surely, 2^12506000222 is an apocalyptic number.

12506000222 is a deficient number, since it is larger than the sum of its proper divisors (8428266658).

12506000222 is a wasteful number, since it uses less digits than its factorization.

12506000222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287016.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 12506000222 its reverse (22200060521), we get a palindrome (34706060743).

The spelling of 12506000222 in words is "twelve billion, five hundred six million, two hundred twenty-two", and thus it is an aban number.