200312100120 has 256 divisors, whose sum is σ = 672938357760. Its totient is φ = 47289600000.

The previous prime is 200312100073. The next prime is 200312100133. The reversal of 200312100120 is 21001213002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 200312100096 and 200312100105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8120205 + ... + 8144835.

It is an arithmetic number, because the mean of its divisors is an integer number (2628665460).

Almost surely, 2^200312100120 is an apocalyptic number.

200312100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200312100120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336469178880).

200312100120 is an abundant number, since it is smaller than the sum of its proper divisors (472626257640).

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

200312100120 is a wasteful number, since it uses less digits than its factorization.

200312100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24818 (or 24814 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 200312100120 its reverse (21001213002), we get a palindrome (221313313122).

The spelling of 200312100120 in words is "two hundred billion, three hundred twelve million, one hundred thousand, one hundred twenty".