12705016625 has 16 divisors (see below), whose sum is σ = 18120984960. Its totient is φ = 8712010800.

The previous prime is 12705016619. The next prime is 12705016651. The reversal of 12705016625 is 52661050721.

It is not a de Polignac number, because 12705016625 - 2⁸ = 12705016369 is a prime.

It is a super-2 number, since 2×12705016625² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon 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, 7259135 + ... + 7260884.

It is an arithmetic number, because the mean of its divisors is an integer number (1132561560).

Almost surely, 2^12705016625 is an apocalyptic number.

It is an amenable number.

12705016625 is a deficient number, since it is larger than the sum of its proper divisors (5415968335).

12705016625 is an equidigital number, since it uses as much as digits as its factorization.

12705016625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14520041 (or 14520031 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 12705016625 in words is "twelve billion, seven hundred five million, sixteen thousand, six hundred twenty-five".