12510334438 has 32 divisors (see below), whose sum is σ = 21902192640. Its totient is φ = 5248070880.

The previous prime is 12510334427. The next prime is 12510334477. The reversal of 12510334438 is 83443301521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300243 + ... + 339361.

It is an arithmetic number, because the mean of its divisors is an integer number (684443520).

Almost surely, 2^12510334438 is an apocalyptic number.

12510334438 is a deficient number, since it is larger than the sum of its proper divisors (9391858202).

12510334438 is a wasteful number, since it uses less digits than its factorization.

12510334438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39612.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 12510334438 its reverse (83443301521), we get a palindrome (95953635959).

The spelling of 12510334438 in words is "twelve billion, five hundred ten million, three hundred thirty-four thousand, four hundred thirty-eight".