12020200011 has 20 divisors (see below), whose sum is σ = 17975542200. Its totient is φ = 8004790656.

The previous prime is 12020199959. The next prime is 12020200019. The reversal of 12020200011 is 11000202021.

It is not a de Polignac number, because 12020200011 - 2⁷ = 12020199883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12020199966 and 12020200002.

It is not an unprimeable number, because it can be changed into a prime (12020200019) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4621 + ... + 155118.

It is an arithmetic number, because the mean of its divisors is an integer number (898777110).

Almost surely, 2^12020200011 is an apocalyptic number.

12020200011 is a deficient number, since it is larger than the sum of its proper divisors (5955342189).

12020200011 is an equidigital number, since it uses as much as digits as its factorization.

12020200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160680 (or 160671 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 12020200011 its reverse (11000202021), we get a palindrome (23020402032).

The spelling of 12020200011 in words is "twelve billion, twenty million, two hundred thousand, eleven".