12625526216 has 8 divisors (see below), whose sum is σ = 23672861670. Its totient is φ = 6312763104.

The previous prime is 12625526213. The next prime is 12625526219. The reversal of 12625526216 is 61262552621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12625526213) and next prime (12625526219).

It can be written as a sum of positive squares in only one way, i.e., 9978012100 + 2647514116 = 99890^2 + 51454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12625526216.

It is not an unprimeable number, because it can be changed into a prime (12625526213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789095381 + ... + 789095396.

Almost surely, 2^12625526216 is an apocalyptic number.

It is an amenable number.

12625526216 is a deficient number, since it is larger than the sum of its proper divisors (11047335454).

12625526216 is a wasteful number, since it uses less digits than its factorization.

12625526216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578190783 (or 1578190779 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The spelling of 12625526216 in words is "twelve billion, six hundred twenty-five million, five hundred twenty-six thousand, two hundred sixteen".