12137860850 has 12 divisors (see below), whose sum is σ = 22576421274. Its totient is φ = 4855144320.

The previous prime is 12137860843. The next prime is 12137860871. The reversal of 12137860850 is 5806873121.

It can be written as a sum of positive squares in 3 ways, for example, as 7648726849 + 4489134001 = 87457^2 + 67001^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12137860798 and 12137860807.

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 5 ways as a sum of consecutive naturals, for example, 121378559 + ... + 121378658.

Almost surely, 2^12137860850 is an apocalyptic number.

12137860850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12137860850 is a deficient number, since it is larger than the sum of its proper divisors (10438560424).

12137860850 is a wasteful number, since it uses less digits than its factorization.

12137860850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242757229 (or 242757224 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 12137860850 in words is "twelve billion, one hundred thirty-seven million, eight hundred sixty thousand, eight hundred fifty".