12798870950 has 48 divisors (see below), whose sum is σ = 24859971360. Its totient is φ = 4893208320.

The previous prime is 12798870919. The next prime is 12798870967. The reversal of 12798870950 is 5907889721.

It is a super-2 number, since 2×12798870950² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1846892 + ... + 1853808.

It is an arithmetic number, because the mean of its divisors is an integer number (517916070).

Almost surely, 2^12798870950 is an apocalyptic number.

12798870950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12798870950 is a deficient number, since it is larger than the sum of its proper divisors (12061100410).

12798870950 is a wasteful number, since it uses less digits than its factorization.

12798870950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8561 (or 8556 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 56.

The spelling of 12798870950 in words is "twelve billion, seven hundred ninety-eight million, eight hundred seventy thousand, nine hundred fifty".