12020020211263 has 4 divisors (see below), whose sum is σ = 12020046538168. Its totient is φ = 12019993884360.

The previous prime is 12020020211261. The next prime is 12020020211299. The reversal of 12020020211263 is 36211202002021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12020020211263 - 2¹ = 12020020211261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12020020211261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12466293 + ... + 13395838.

It is an arithmetic number, because the mean of its divisors is an integer number (3005011634542).

Almost surely, 2^{12020020211263} is an apocalyptic number.

12020020211263 is a deficient number, since it is larger than the sum of its proper divisors (26326905).

12020020211263 is an equidigital number, since it uses as much as digits as its factorization.

12020020211263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26326904.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12020020211263 its reverse (36211202002021), we get a palindrome (48231222213284).

The spelling of 12020020211263 in words is "twelve trillion, twenty billion, twenty million, two hundred eleven thousand, two hundred sixty-three".