20031203100312 has 96 divisors (see below), whose sum is σ = 55721204338800. Its totient is φ = 6496165516032.

The previous prime is 20031203100299. The next prime is 20031203100313. The reversal of 20031203100312 is 21300130213002.

20031203100312 is a `hidden beast` number, since 20 + 0 + 3 + 1 + 20 + 310 + 0 + 312 = 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 (20031203100313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40210614 + ... + 40705722.

Almost surely, 2^{20031203100312} is an apocalyptic number.

It is an amenable number.

20031203100312 is an abundant number, since it is smaller than the sum of its proper divisors (35690001238488).

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

20031203100312 is a wasteful number, since it uses less digits than its factorization.

20031203100312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510345 (or 510338 counting only the distinct ones).

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

Adding to 20031203100312 its reverse (21300130213002), we get a palindrome (41331333313314).

The spelling of 20031203100312 in words is "twenty trillion, thirty-one billion, two hundred three million, one hundred thousand, three hundred twelve".