13210023121312 has 12 divisors (see below), whose sum is σ = 26007233020146. Its totient is φ = 6605011560640.

The previous prime is 13210023121277. The next prime is 13210023121313. The reversal of 13210023121312 is 21312132001231.

It can be written as a sum of positive squares in only one way, i.e., 13209415794576 + 607326736 = 3634476^2 + 24644^2 .

It is not an unprimeable number, because it can be changed into a prime (13210023121313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206406611239 + ... + 206406611302.

Almost surely, 2^{13210023121312} is an apocalyptic number.

It is an amenable number.

13210023121312 is a deficient number, since it is larger than the sum of its proper divisors (12797209898834).

13210023121312 is an equidigital number, since it uses as much as digits as its factorization.

13210023121312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412813222551 (or 412813222543 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13210023121312 its reverse (21312132001231), we get a palindrome (34522155122543).

The spelling of 13210023121312 in words is "thirteen trillion, two hundred ten billion, twenty-three million, one hundred twenty-one thousand, three hundred twelve".