12103123112132 has 12 divisors (see below), whose sum is σ = 22809732019116. Its totient is φ = 5586056820960.

The previous prime is 12103123112089. The next prime is 12103123112189. The reversal of 12103123112132 is 23121132130121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4711608549376 + 7391514562756 = 2170624^2 + 2718734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12103123112098 and 12103123112107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116376183719 + ... + 116376183822.

It is an arithmetic number, because the mean of its divisors is an integer number (1900811001593).

Almost surely, 2^{12103123112132} is an apocalyptic number.

It is an amenable number.

12103123112132 is a deficient number, since it is larger than the sum of its proper divisors (10706608906984).

12103123112132 is a wasteful number, since it uses less digits than its factorization.

12103123112132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232752367558 (or 232752367556 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 12103123112132 its reverse (23121132130121), we get a palindrome (35224255242253).

The spelling of 12103123112132 in words is "twelve trillion, one hundred three billion, one hundred twenty-three million, one hundred twelve thousand, one hundred thirty-two".