12031302230100 has 144 divisors (see below), whose sum is σ = 38682871012800. Its totient is φ = 3207977112960.

The previous prime is 12031302230099. The next prime is 12031302230107. The reversal of 12031302230100 is 103220313021.

12031302230100 is a `hidden beast` number, since 1 + 2 + 0 + 31 + 302 + 230 + 100 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031302230107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23558662 + ... + 24063938.

It is an arithmetic number, because the mean of its divisors is an integer number (268631048700).

Almost surely, 2^{12031302230100} is an apocalyptic number.

12031302230100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12031302230100 is an abundant number, since it is smaller than the sum of its proper divisors (26651568782700).

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

12031302230100 is a wasteful number, since it uses less digits than its factorization.

12031302230100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514119 (or 514106 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12031302230100 its reverse (103220313021), we get a palindrome (12134522543121).

The spelling of 12031302230100 in words is "twelve trillion, thirty-one billion, three hundred two million, two hundred thirty thousand, one hundred".