12039490850 has 24 divisors (see below), whose sum is σ = 22399526160. Its totient is φ = 4814490320.

The previous prime is 12039490843. The next prime is 12039490861. The reversal of 12039490850 is 5809493021.

It is a junction number, because it is equal to n+sod(n) for n = 12039490798 and 12039490807.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165461 + ... + 226839.

It is an arithmetic number, because the mean of its divisors is an integer number (933313590).

Almost surely, 2^12039490850 is an apocalyptic number.

12039490850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12039490850 is a deficient number, since it is larger than the sum of its proper divisors (10360035310).

12039490850 is a wasteful number, since it uses less digits than its factorization.

12039490850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65314 (or 65309 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 12039490850 in words is "twelve billion, thirty-nine million, four hundred ninety thousand, eight hundred fifty".