12111323302 has 64 divisors (see below), whose sum is σ = 21519146880. Its totient is φ = 5064643584.

The previous prime is 12111323297. The next prime is 12111323321. The reversal of 12111323302 is 20332311121.

It is a self number, because there is not a number n which added to its sum of digits gives 12111323302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 912538 + ... + 925714.

It is an arithmetic number, because the mean of its divisors is an integer number (336236670).

Almost surely, 2^12111323302 is an apocalyptic number.

12111323302 is a deficient number, since it is larger than the sum of its proper divisors (9407823578).

12111323302 is a wasteful number, since it uses less digits than its factorization.

12111323302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13297.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12111323302 its reverse (20332311121), we get a palindrome (32443634423).

The spelling of 12111323302 in words is "twelve billion, one hundred eleven million, three hundred twenty-three thousand, three hundred two".