13520230212 has 24 divisors (see below), whose sum is σ = 31748145856. Its totient is φ = 4478037408.

The previous prime is 13520230189. The next prime is 13520230223. The reversal of 13520230212 is 21203202531.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3586288 + ... + 3590055.

Almost surely, 2^13520230212 is an apocalyptic number.

13520230212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13520230212 is an abundant number, since it is smaller than the sum of its proper divisors (18227915644).

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

13520230212 is a wasteful number, since it uses less digits than its factorization.

13520230212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176507 (or 7176505 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 13520230212 its reverse (21203202531), we get a palindrome (34723432743).

The spelling of 13520230212 in words is "thirteen billion, five hundred twenty million, two hundred thirty thousand, two hundred twelve".