12031331300100 has 216 divisors, whose sum is σ = 43543223138688. Its totient is φ = 2721667737600.

The previous prime is 12031331300099. The next prime is 12031331300113. The reversal of 12031331300100 is 100313313021.

It is a happy number.

12031331300100 is a `hidden beast` number, since 1 + 2 + 0 + 31 + 331 + 300 + 1 + 0 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9232896 + ... + 10455095.

Almost surely, 2^{12031331300100} is an apocalyptic number.

12031331300100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031331300100 is an abundant number, since it is smaller than the sum of its proper divisors (31511891838588).

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

12031331300100 is a wasteful number, since it uses less digits than its factorization.

12031331300100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19688115 (or 19688105 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 12031331300100 its reverse (100313313021), we get a palindrome (12131644613121).

The spelling of 12031331300100 in words is "twelve trillion, thirty-one billion, three hundred thirty-one million, three hundred thousand, one hundred".