12123131102 has 8 divisors (see below), whose sum is σ = 18194411136. Its totient is φ = 6058327392.

The previous prime is 12123131017. The next prime is 12123131117. The reversal of 12123131102 is 20113132121.

12123131102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1614398 + ... + 1621889.

It is an arithmetic number, because the mean of its divisors is an integer number (2274301392).

Almost surely, 2^12123131102 is an apocalyptic number.

12123131102 is a deficient number, since it is larger than the sum of its proper divisors (6071280034).

12123131102 is a wasteful number, since it uses less digits than its factorization.

12123131102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238162.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12123131102 its reverse (20113132121), we get a palindrome (32236263223).

The spelling of 12123131102 in words is "twelve billion, one hundred twenty-three million, one hundred thirty-one thousand, one hundred two".