12510016634 has 8 divisors (see below), whose sum is σ = 18868699668. Its totient is φ = 6220450080.

The previous prime is 12510016577. The next prime is 12510016681. The reversal of 12510016634 is 43661001521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12509751409 + 265225 = 111847^2 + 515^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12510016597 and 12510016606.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17278667 + ... + 17279390.

Almost surely, 2^12510016634 is an apocalyptic number.

12510016634 is a deficient number, since it is larger than the sum of its proper divisors (6358683034).

12510016634 is a wasteful number, since it uses less digits than its factorization.

12510016634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34558240.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 12510016634 in words is "twelve billion, five hundred ten million, sixteen thousand, six hundred thirty-four".