12020203223013 has 4 divisors (see below), whose sum is σ = 16026937630688. Its totient is φ = 8013468815340.

The previous prime is 12020203223011. The next prime is 12020203223111. The reversal of 12020203223013 is 31032230202021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12020203223013 - 2¹ = 12020203223011 is a prime.

It is a super-2 number, since 2×12020203223013² (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 (12020203223011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003367203833 + ... + 2003367203838.

It is an arithmetic number, because the mean of its divisors is an integer number (4006734407672).

Almost surely, 2^{12020203223013} is an apocalyptic number.

It is an amenable number.

12020203223013 is a deficient number, since it is larger than the sum of its proper divisors (4006734407675).

12020203223013 is an equidigital number, since it uses as much as digits as its factorization.

12020203223013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4006734407674.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 12020203223013 its reverse (31032230202021), we get a palindrome (43052433425034).

The spelling of 12020203223013 in words is "twelve trillion, twenty billion, two hundred three million, two hundred twenty-three thousand, thirteen".