12111201202 has 16 divisors (see below), whose sum is σ = 18468329112. Its totient is φ = 5955131520.

The previous prime is 12111201187. The next prime is 12111201209. The reversal of 12111201202 is 20210211121.

It can be written as a sum of positive squares in 4 ways, for example, as 7626354241 + 4484846961 = 87329^2 + 66969^2 .

It is not an unprimeable number, because it can be changed into a prime (12111201209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1153408 + ... + 1163860.

Almost surely, 2^12111201202 is an apocalyptic number.

12111201202 is a deficient number, since it is larger than the sum of its proper divisors (6357127910).

12111201202 is a wasteful number, since it uses less digits than its factorization.

12111201202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20013.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12111201202 its reverse (20210211121), we get a palindrome (32321412323).

The spelling of 12111201202 in words is "twelve billion, one hundred eleven million, two hundred one thousand, two hundred two".