12998891058 has 16 divisors (see below), whose sum is σ = 25998931776. Its totient is φ = 4332772080.

The previous prime is 12998891051. The next prime is 12998891063. The reversal of 12998891058 is 85019889921.

It is a junction number, because it is equal to n+sod(n) for n = 12998890992 and 12998891010.

It is not an unprimeable number, because it can be changed into a prime (12998891051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189888 + ... + 249108.

It is an arithmetic number, because the mean of its divisors is an integer number (1624933236).

Almost surely, 2^12998891058 is an apocalyptic number.

12998891058 is an abundant number, since it is smaller than the sum of its proper divisors (13000040718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12998891058 is a wasteful number, since it uses less digits than its factorization.

12998891058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95809.

The product of its (nonzero) digits is 3732480, while the sum is 60.

The spelling of 12998891058 in words is "twelve billion, nine hundred ninety-eight million, eight hundred ninety-one thousand, fifty-eight".