12103011120312 has 48 divisors (see below), whose sum is σ = 37461701088240. Its totient is φ = 3458003177088.

The previous prime is 12103011120289. The next prime is 12103011120337. The reversal of 12103011120312 is 21302111030121.

12103011120312 is a `hidden beast` number, since 1 + 21 + 0 + 301 + 11 + 20 + 312 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 12006954973 + ... + 12006955980.

It is an arithmetic number, because the mean of its divisors is an integer number (780452106005).

Almost surely, 2^{12103011120312} is an apocalyptic number.

12103011120312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12103011120312 is an abundant number, since it is smaller than the sum of its proper divisors (25358689967928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12103011120312 is a wasteful number, since it uses less digits than its factorization.

12103011120312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24013910972 (or 24013910965 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12103011120312 its reverse (21302111030121), we get a palindrome (33405122150433).

The spelling of 12103011120312 in words is "twelve trillion, one hundred three billion, eleven million, one hundred twenty thousand, three hundred twelve".