12111045850028 has 12 divisors (see below), whose sum is σ = 21878018309952. Its totient is φ = 5860183475760.

The previous prime is 12111045850027. The next prime is 12111045850031. The reversal of 12111045850028 is 82005854011121.

It is a junction number, because it is equal to n+sod(n) for n = 12111045849973 and 12111045850000.

It is not an unprimeable number, because it can be changed into a prime (12111045850027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 48834862175 + ... + 48834862422.

It is an arithmetic number, because the mean of its divisors is an integer number (1823168192496).

Almost surely, 2^{12111045850028} is an apocalyptic number.

It is an amenable number.

12111045850028 is a deficient number, since it is larger than the sum of its proper divisors (9766972459924).

12111045850028 is a wasteful number, since it uses less digits than its factorization.

12111045850028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97669724632 (or 97669724630 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 38.

Adding to 12111045850028 its reverse (82005854011121), we get a palindrome (94116899861149).

The spelling of 12111045850028 in words is "twelve trillion, one hundred eleven billion, forty-five million, eight hundred fifty thousand, twenty-eight".