12020502243 has 8 divisors (see below), whose sum is σ = 16460507728. Its totient is φ = 7797082464.

The previous prime is 12020502217. The next prime is 12020502253. The reversal of 12020502243 is 34220502021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12020502243 - 2⁵ = 12020502211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12020502203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54146296 + ... + 54146517.

It is an arithmetic number, because the mean of its divisors is an integer number (2057563466).

Almost surely, 2^12020502243 is an apocalyptic number.

12020502243 is a deficient number, since it is larger than the sum of its proper divisors (4440005485).

12020502243 is a wasteful number, since it uses less digits than its factorization.

12020502243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108292853.

The product of its (nonzero) digits is 960, while the sum is 21.

The spelling of 12020502243 in words is "twelve billion, twenty million, five hundred two thousand, two hundred forty-three".