12111222123302 has 16 divisors (see below), whose sum is σ = 18418515962640. Its totient is φ = 5971742226432.

The previous prime is 12111222123241. The next prime is 12111222123439. The reversal of 12111222123302 is 20332122211121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5399468 + ... + 7305935.

It is an arithmetic number, because the mean of its divisors is an integer number (1151157247665).

Almost surely, 2^{12111222123302} is an apocalyptic number.

12111222123302 is a deficient number, since it is larger than the sum of its proper divisors (6307293839338).

12111222123302 is a wasteful number, since it uses less digits than its factorization.

12111222123302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12712007.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 12111222123302 its reverse (20332122211121), we get a palindrome (32443344334423).

The spelling of 12111222123302 in words is "twelve trillion, one hundred eleven billion, two hundred twenty-two million, one hundred twenty-three thousand, three hundred two".