13013323203112 has 8 divisors (see below), whose sum is σ = 24399981005850. Its totient is φ = 6506661601552.

The previous prime is 13013323203107. The next prime is 13013323203119. The reversal of 13013323203112 is 21130232331031.

It can be written as a sum of positive squares in only one way, i.e., 11664998144836 + 1348325058276 = 3415406^2 + 1161174^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13013323203119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 813332700187 + ... + 813332700202.

Almost surely, 2^{13013323203112} is an apocalyptic number.

It is an amenable number.

13013323203112 is a deficient number, since it is larger than the sum of its proper divisors (11386657802738).

13013323203112 is a wasteful number, since it uses less digits than its factorization.

13013323203112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626665400395 (or 1626665400391 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13013323203112 its reverse (21130232331031), we get a palindrome (34143555534143).

The spelling of 13013323203112 in words is "thirteen trillion, thirteen billion, three hundred twenty-three million, two hundred three thousand, one hundred twelve".