13011103203012 has 18 divisors (see below), whose sum is σ = 32889177541038. Its totient is φ = 4337034400992.

The previous prime is 13011103203011. The next prime is 13011103203029. The reversal of 13011103203012 is 21030230111031.

13011103203012 is a `hidden beast` number, since 1 + 30 + 1 + 1 + 10 + 320 + 301 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7926330759876 + 5084772443136 = 2815374^2 + 2254944^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (13011103203011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 180709766673 + ... + 180709766744.

Almost surely, 2^{13011103203012} is an apocalyptic number.

13011103203012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13011103203012 is an abundant number, since it is smaller than the sum of its proper divisors (19878074338026).

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

13011103203012 is a wasteful number, since it uses less digits than its factorization.

13011103203012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361419533427 (or 361419533422 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13011103203012 its reverse (21030230111031), we get a palindrome (34041333314043).

The spelling of 13011103203012 in words is "thirteen trillion, eleven billion, one hundred three million, two hundred three thousand, twelve".