12885901838 has 8 divisors (see below), whose sum is σ = 19481048832. Its totient is φ = 6392218896.

The previous prime is 12885901813. The next prime is 12885901841. The reversal of 12885901838 is 83810958821.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12885901838.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25365695 + ... + 25366202.

It is an arithmetic number, because the mean of its divisors is an integer number (2435131104).

Almost surely, 2^12885901838 is an apocalyptic number.

12885901838 is a deficient number, since it is larger than the sum of its proper divisors (6595146994).

12885901838 is a wasteful number, since it uses less digits than its factorization.

12885901838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50732026.

The product of its (nonzero) digits is 1105920, while the sum is 53.

The spelling of 12885901838 in words is "twelve billion, eight hundred eighty-five million, nine hundred one thousand, eight hundred thirty-eight".