13212020312 has 16 divisors (see below), whose sum is σ = 24967599360. Its totient is φ = 6553993824.

The previous prime is 13212020299. The next prime is 13212020323. The reversal of 13212020312 is 21302021231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6500963 + ... + 6502994.

It is an arithmetic number, because the mean of its divisors is an integer number (1560474960).

Almost surely, 2^13212020312 is an apocalyptic number.

It is an amenable number.

13212020312 is a deficient number, since it is larger than the sum of its proper divisors (11755579048).

13212020312 is a wasteful number, since it uses less digits than its factorization.

13212020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13004090 (or 13004086 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 13212020312 its reverse (21302021231), we get a palindrome (34514041543).

The spelling of 13212020312 in words is "thirteen billion, two hundred twelve million, twenty thousand, three hundred twelve".