12838431250 has 24 divisors (see below), whose sum is σ = 24070529700. Its totient is φ = 5135370000.

The previous prime is 12838431241. The next prime is 12838431253. The reversal of 12838431250 is 5213483821.

It can be written as a sum of positive squares in 6 ways, for example, as 258341329 + 12580089921 = 16073^2 + 112161^2 .

It is not an unprimeable number, because it can be changed into a prime (12838431253) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1020825 + ... + 1033324.

Almost surely, 2^12838431250 is an apocalyptic number.

12838431250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12838431250 is a deficient number, since it is larger than the sum of its proper divisors (11232098450).

12838431250 is an frugal number, since it uses more digits than its factorization.

12838431250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054176 (or 2054156 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The spelling of 12838431250 in words is "twelve billion, eight hundred thirty-eight million, four hundred thirty-one thousand, two hundred fifty".