13113120012 has 12 divisors (see below), whose sum is σ = 30597280056. Its totient is φ = 4371040000.

The previous prime is 13113119993. The next prime is 13113120023. The reversal of 13113120012 is 21002131131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×13113120012² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13113119973 and 13113120000.

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, 546379989 + ... + 546380012.

It is an arithmetic number, because the mean of its divisors is an integer number (2549773338).

Almost surely, 2^13113120012 is an apocalyptic number.

13113120012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13113120012 is an abundant number, since it is smaller than the sum of its proper divisors (17484160044).

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

13113120012 is a wasteful number, since it uses less digits than its factorization.

13113120012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092760008 (or 1092760006 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 13113120012 its reverse (21002131131), we get a palindrome (34115251143).

The spelling of 13113120012 in words is "thirteen billion, one hundred thirteen million, one hundred twenty thousand, twelve".