203212313120 has 48 divisors (see below), whose sum is σ = 480180052800. Its totient is φ = 81269524224.

The previous prime is 203212313107. The next prime is 203212313131. The reversal of 203212313120 is 21313212302.

203212313120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 203212313092 and 203212313101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746219 + ... + 981461.

It is an arithmetic number, because the mean of its divisors is an integer number (10003751100).

Almost surely, 2^203212313120 is an apocalyptic number.

203212313120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203212313120 is an abundant number, since it is smaller than the sum of its proper divisors (276967739680).

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

203212313120 is a wasteful number, since it uses less digits than its factorization.

203212313120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240657 (or 240649 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 203212313120 its reverse (21313212302), we get a palindrome (224525525422).

The spelling of 203212313120 in words is "two hundred three billion, two hundred twelve million, three hundred thirteen thousand, one hundred twenty".