13313123212 has 48 divisors (see below), whose sum is σ = 24814605312. Its totient is φ = 6235669440.

The previous prime is 13313123207. The next prime is 13313123237. The reversal of 13313123212 is 21232131331.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3074593 + ... + 3078919.

It is an arithmetic number, because the mean of its divisors is an integer number (516970944).

Almost surely, 2^13313123212 is an apocalyptic number.

It is an amenable number.

13313123212 is a deficient number, since it is larger than the sum of its proper divisors (11501482100).

13313123212 is a wasteful number, since it uses less digits than its factorization.

13313123212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5038 (or 5036 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

Adding to 13313123212 its reverse (21232131331), we get a palindrome (34545254543).

The spelling of 13313123212 in words is "thirteen billion, three hundred thirteen million, one hundred twenty-three thousand, two hundred twelve".