13512052330 has 48 divisors (see below), whose sum is σ = 28366848000. Its totient is φ = 4620543648.

The previous prime is 13512052327. The next prime is 13512052343. The reversal of 13512052330 is 3325021531.

It is a junction number, because it is equal to n+sod(n) for n = 13512052295 and 13512052304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151671 + ... + 223669.

It is an arithmetic number, because the mean of its divisors is an integer number (590976000).

Almost surely, 2^13512052330 is an apocalyptic number.

13512052330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13512052330 is an abundant number, since it is smaller than the sum of its proper divisors (14854795670).

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

13512052330 is a wasteful number, since it uses less digits than its factorization.

13512052330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72403 (or 72396 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 13512052330 its reverse (3325021531), we get a palindrome (16837073861).

The spelling of 13512052330 in words is "thirteen billion, five hundred twelve million, fifty-two thousand, three hundred thirty".