12111020202 has 32 divisors (see below), whose sum is σ = 24381043200. Its totient is φ = 4010569200.

The previous prime is 12111020183. The next prime is 12111020209. The reversal of 12111020202 is 20202011121.

12111020202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12111020209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 808077 + ... + 822927.

It is an arithmetic number, because the mean of its divisors is an integer number (761907600).

Almost surely, 2^12111020202 is an apocalyptic number.

12111020202 is an abundant number, since it is smaller than the sum of its proper divisors (12270022998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12111020202 is a wasteful number, since it uses less digits than its factorization.

12111020202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15738.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12111020202 its reverse (20202011121), we get a palindrome (32313031323).

The spelling of 12111020202 in words is "twelve billion, one hundred eleven million, twenty thousand, two hundred two".