13212101312 has 28 divisors (see below), whose sum is σ = 26267959656. Its totient is φ = 6593402880.

The previous prime is 13212101311. The next prime is 13212101341. The reversal of 13212101312 is 21310121231.

It is not an unprimeable number, because it can be changed into a prime (13212101311) 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, 163889 + ... + 230832.

Almost surely, 2^13212101312 is an apocalyptic number.

It is an amenable number.

13212101312 is a deficient number, since it is larger than the sum of its proper divisors (13055858344).

13212101312 is an equidigital number, since it uses as much as digits as its factorization.

13212101312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395256 (or 395246 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13212101312 its reverse (21310121231), we get a palindrome (34522222543).

The spelling of 13212101312 in words is "thirteen billion, two hundred twelve million, one hundred one thousand, three hundred twelve".