13021100312 has 32 divisors (see below), whose sum is σ = 26665301520. Its totient is φ = 5911741440.

The previous prime is 13021100291. The next prime is 13021100317. The reversal of 13021100312 is 21300112031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021100317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10913 + ... + 161744.

Almost surely, 2^13021100312 is an apocalyptic number.

It is an amenable number.

13021100312 is an abundant number, since it is smaller than the sum of its proper divisors (13644201208).

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

13021100312 is a wasteful number, since it uses less digits than its factorization.

13021100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173531 (or 173527 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 13021100312 its reverse (21300112031), we get a palindrome (34321212343).

The spelling of 13021100312 in words is "thirteen billion, twenty-one million, one hundred thousand, three hundred twelve".