12111321202 has 16 divisors (see below), whose sum is σ = 19134779040. Its totient is φ = 5733449568.

The previous prime is 12111321199. The next prime is 12111321217. The reversal of 12111321202 is 20212311121.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33208 + ... + 159139.

It is an arithmetic number, because the mean of its divisors is an integer number (1195923690).

Almost surely, 2^12111321202 is an apocalyptic number.

12111321202 is a deficient number, since it is larger than the sum of its proper divisors (7023457838).

12111321202 is a wasteful number, since it uses less digits than its factorization.

12111321202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194025.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12111321202 its reverse (20212311121), we get a palindrome (32323632323).

The spelling of 12111321202 in words is "twelve billion, one hundred eleven million, three hundred twenty-one thousand, two hundred two".