12031123002100 has 18 divisors (see below), whose sum is σ = 26107536914774. Its totient is φ = 4812449200800.

The previous prime is 12031123002061. The next prime is 12031123002133. The reversal of 12031123002100 is 120032113021.

It can be written as a sum of positive squares in 3 ways, for example, as 3280540176 + 12027842461924 = 57276^2 + 3468118^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60155614911 + ... + 60155615110.

Almost surely, 2^{12031123002100} is an apocalyptic number.

12031123002100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031123002100 is an abundant number, since it is smaller than the sum of its proper divisors (14076413912674).

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

12031123002100 is a wasteful number, since it uses less digits than its factorization.

12031123002100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120311230035 (or 120311230028 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12031123002100 its reverse (120032113021), we get a palindrome (12151155115121).

The spelling of 12031123002100 in words is "twelve trillion, thirty-one billion, one hundred twenty-three million, two thousand, one hundred".