12989499522 has 8 divisors (see below), whose sum is σ = 25978999056. Its totient is φ = 4329833172.

The previous prime is 12989499517. The next prime is 12989499529. The reversal of 12989499522 is 22599498921.

It is a sphenic number, since it is the product of 3 distinct primes.

12989499522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12989499529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1082458288 + ... + 1082458299.

It is an arithmetic number, because the mean of its divisors is an integer number (3247374882).

Almost surely, 2^12989499522 is an apocalyptic number.

12989499522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12989499522 is a wasteful number, since it uses less digits than its factorization.

12989499522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164916592.

The product of its digits is 8398080, while the sum is 60.

The spelling of 12989499522 in words is "twelve billion, nine hundred eighty-nine million, four hundred ninety-nine thousand, five hundred twenty-two".