13001011312 has 20 divisors (see below), whose sum is σ = 25208772696. Its totient is φ = 6495521600.

The previous prime is 13001011279. The next prime is 13001011319. The reversal of 13001011312 is 21311010031.

It is a super-2 number, since 2×13001011312² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13001011292 and 13001011301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001011319) 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, 289939 + ... + 331762.

Almost surely, 2^13001011312 is an apocalyptic number.

It is an amenable number.

13001011312 is a deficient number, since it is larger than the sum of its proper divisors (12207761384).

13001011312 is a wasteful number, since it uses less digits than its factorization.

13001011312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623016 (or 623010 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13001011312 its reverse (21311010031), we get a palindrome (34312021343).

The spelling of 13001011312 in words is "thirteen billion, one million, eleven thousand, three hundred twelve".