12011223020013 has 48 divisors (see below), whose sum is σ = 21093906577536. Its totient is φ = 6429202053120.

The previous prime is 12011223020009. The next prime is 12011223020177. The reversal of 12011223020013 is 31002032211021.

12011223020013 is a `hidden beast` number, since 120 + 112 + 230 + 200 + 1 + 3 = 666.

It is not a de Polignac number, because 12011223020013 - 2² = 12011223020009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011223021013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26349756 + ... + 26801717.

It is an arithmetic number, because the mean of its divisors is an integer number (439456387032).

Almost surely, 2^{12011223020013} is an apocalyptic number.

It is an amenable number.

12011223020013 is a deficient number, since it is larger than the sum of its proper divisors (9082683557523).

12011223020013 is a wasteful number, since it uses less digits than its factorization.

12011223020013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53151714 (or 53151711 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12011223020013 its reverse (31002032211021), we get a palindrome (43013255231034).

The spelling of 12011223020013 in words is "twelve trillion, eleven billion, two hundred twenty-three million, twenty thousand, thirteen".