12013203011101 has 6 divisors (see below), whose sum is σ = 12761430188570. Its totient is φ = 11306544010176.

The previous prime is 12013203011071. The next prime is 12013203011111. The reversal of 12013203011101 is 10111030231021.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4419728359225 + 7593474651876 = 2102315^2 + 2755626^2 .

It is not a de Polignac number, because 12013203011101 - 2¹³ = 12013203002909 is a prime.

It is a super-2 number, since 2×12013203011101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013203011111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20784087966 + ... + 20784088543.

Almost surely, 2^{12013203011101} is an apocalyptic number.

It is an amenable number.

12013203011101 is a deficient number, since it is larger than the sum of its proper divisors (748227177469).

12013203011101 is an equidigital number, since it uses as much as digits as its factorization.

12013203011101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41568176543 (or 41568176526 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12013203011101 its reverse (10111030231021), we get a palindrome (22124233242122).

The spelling of 12013203011101 in words is "twelve trillion, thirteen billion, two hundred three million, eleven thousand, one hundred one".