12123231320132 has 12 divisors (see below), whose sum is σ = 21254440289040. Its totient is φ = 6050534094696.

The previous prime is 12123231320117. The next prime is 12123231320141. The reversal of 12123231320132 is 23102313232121.

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, 2770388882 + ... + 2770393257.

It is an arithmetic number, because the mean of its divisors is an integer number (1771203357420).

Almost surely, 2^{12123231320132} is an apocalyptic number.

It is an amenable number.

12123231320132 is a deficient number, since it is larger than the sum of its proper divisors (9131208968908).

12123231320132 is a wasteful number, since it uses less digits than its factorization.

12123231320132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540782690 (or 5540782688 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 12123231320132 its reverse (23102313232121), we get a palindrome (35225544552253).

The spelling of 12123231320132 in words is "twelve trillion, one hundred twenty-three billion, two hundred thirty-one million, three hundred twenty thousand, one hundred thirty-two".