13113203012 has 36 divisors (see below), whose sum is σ = 28748181420. Its totient is φ = 5187639744.

The previous prime is 13113202997. The next prime is 13113203021. The reversal of 13113203012 is 21030231131.

It can be written as a sum of positive squares in 2 ways, for example, as 1675756096 + 11437446916 = 40936^2 + 106946^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2570687 + ... + 2575782.

It is an arithmetic number, because the mean of its divisors is an integer number (798560595).

Almost surely, 2^13113203012 is an apocalyptic number.

It is an amenable number.

13113203012 is an abundant number, since it is smaller than the sum of its proper divisors (15634978408).

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

13113203012 is a wasteful number, since it uses less digits than its factorization.

13113203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5146500 (or 5146491 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13113203012 its reverse (21030231131), we get a palindrome (34143434143).

The spelling of 13113203012 in words is "thirteen billion, one hundred thirteen million, two hundred three thousand, twelve".