12111123004 has 12 divisors (see below), whose sum is σ = 21711403728. Its totient is φ = 5907864800.

The previous prime is 12111122993. The next prime is 12111123053. The reversal of 12111123004 is 40032111121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36923992 + ... + 36924319.

It is an arithmetic number, because the mean of its divisors is an integer number (1809283644).

Almost surely, 2^12111123004 is an apocalyptic number.

It is an amenable number.

12111123004 is a deficient number, since it is larger than the sum of its proper divisors (9600280724).

12111123004 is a wasteful number, since it uses less digits than its factorization.

12111123004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73848356 (or 73848354 counting only the distinct ones).

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

Adding to 12111123004 its reverse (40032111121), we get a palindrome (52143234125).

The spelling of 12111123004 in words is "twelve billion, one hundred eleven million, one hundred twenty-three thousand, four".