203213010120 has 64 divisors (see below), whose sum is σ = 610911936000. Its totient is φ = 54076988928.

The previous prime is 203213010097. The next prime is 203213010173. The reversal of 203213010120 is 21010312302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 203213010120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1710205 + ... + 1825164.

It is an arithmetic number, because the mean of its divisors is an integer number (9545499000).

Almost surely, 2^203213010120 is an apocalyptic number.

203213010120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203213010120 is an abundant number, since it is smaller than the sum of its proper divisors (407698925880).

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

203213010120 is a wasteful number, since it uses less digits than its factorization.

203213010120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535862 (or 3535858 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 203213010120 its reverse (21010312302), we get a palindrome (224223322422).

The spelling of 203213010120 in words is "two hundred three billion, two hundred thirteen million, ten thousand, one hundred twenty".