13215430512 has 60 divisors (see below), whose sum is σ = 36994062040. Its totient is φ = 4404046464.

The previous prime is 13215430511. The next prime is 13215430513. The reversal of 13215430512 is 21503451231.

13215430512 is a `hidden beast` number, since 1 + 3 + 215 + 430 + 5 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (13215430511) and next prime (13215430513).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13215430511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 739539 + ... + 757197.

Almost surely, 2^13215430512 is an apocalyptic number.

13215430512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13215430512 is an abundant number, since it is smaller than the sum of its proper divisors (23778631528).

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

13215430512 is a wasteful number, since it uses less digits than its factorization.

13215430512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22870 (or 22861 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 13215430512 its reverse (21503451231), we get a palindrome (34718881743).

The spelling of 13215430512 in words is "thirteen billion, two hundred fifteen million, four hundred thirty thousand, five hundred twelve".