13015065012 has 12 divisors (see below), whose sum is σ = 30368485056. Its totient is φ = 4338355000.

The previous prime is 13015064989. The next prime is 13015065013. The reversal of 13015065012 is 21056051031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13015065013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542294364 + ... + 542294387.

It is an arithmetic number, because the mean of its divisors is an integer number (2530707088).

Almost surely, 2^13015065012 is an apocalyptic number.

13015065012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13015065012 is an abundant number, since it is smaller than the sum of its proper divisors (17353420044).

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

13015065012 is a wasteful number, since it uses less digits than its factorization.

13015065012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084588758 (or 1084588756 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The spelling of 13015065012 in words is "thirteen billion, fifteen million, sixty-five thousand, twelve".