12910512989 has 8 divisors (see below), whose sum is σ = 14137751232. Its totient is φ = 11692200640.

The previous prime is 12910512949. The next prime is 12910513013. The reversal of 12910512989 is 98921501921.

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

It is a cyclic number.

It is not a de Polignac number, because 12910512989 - 2²⁰ = 12909464413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12910512949) 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, 2228444 + ... + 2234229.

It is an arithmetic number, because the mean of its divisors is an integer number (1767218904).

Almost surely, 2^12910512989 is an apocalyptic number.

It is an amenable number.

12910512989 is a deficient number, since it is larger than the sum of its proper divisors (1227238243).

12910512989 is a wasteful number, since it uses less digits than its factorization.

12910512989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462947.

The product of its (nonzero) digits is 116640, while the sum is 47.

The spelling of 12910512989 in words is "twelve billion, nine hundred ten million, five hundred twelve thousand, nine hundred eighty-nine".