12507681852958 has 4 divisors (see below), whose sum is σ = 18761522779440. Its totient is φ = 6253840926478.

The previous prime is 12507681852947. The next prime is 12507681853003. The reversal of 12507681852958 is 85925818670521.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12507681852893 and 12507681852902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3126920463238 + ... + 3126920463241.

It is an arithmetic number, because the mean of its divisors is an integer number (4690380694860).

Almost surely, 2^{12507681852958} is an apocalyptic number.

12507681852958 is a deficient number, since it is larger than the sum of its proper divisors (6253840926482).

12507681852958 is an equidigital number, since it uses as much as digits as its factorization.

12507681852958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253840926481.

The product of its (nonzero) digits is 96768000, while the sum is 67.

The spelling of 12507681852958 in words is "twelve trillion, five hundred seven billion, six hundred eighty-one million, eight hundred fifty-two thousand, nine hundred fifty-eight".