12100203031230 has 48 divisors (see below), whose sum is σ = 31993757181360. Its totient is φ = 3172030623744.

The previous prime is 12100203031207. The next prime is 12100203031237. The reversal of 12100203031230 is 3213030200121.

12100203031230 is a `hidden beast` number, since 12 + 100 + 20 + 303 + 1 + 230 = 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 (12100203031237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1139373507 + ... + 1139384126.

It is an arithmetic number, because the mean of its divisors is an integer number (666536607945).

Almost surely, 2^{12100203031230} is an apocalyptic number.

12100203031230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100203031230 is an abundant number, since it is smaller than the sum of its proper divisors (19893554150130).

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

12100203031230 is a wasteful number, since it uses less digits than its factorization.

12100203031230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2278757705 (or 2278757702 counting only the distinct ones).

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

Adding to 12100203031230 its reverse (3213030200121), we get a palindrome (15313233231351).

The spelling of 12100203031230 in words is "twelve trillion, one hundred billion, two hundred three million, thirty-one thousand, two hundred thirty".