203230121002 has 16 divisors (see below), whose sum is σ = 320899091040. Its totient is φ = 96264071568.

The previous prime is 203230120999. The next prime is 203230121027. The reversal of 203230121002 is 200121032302.

203230121002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×203230121002² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1841713 + ... + 1948939.

It is an arithmetic number, because the mean of its divisors is an integer number (20056193190).

Almost surely, 2^203230121002 is an apocalyptic number.

203230121002 is a deficient number, since it is larger than the sum of its proper divisors (117668970038).

203230121002 is a wasteful number, since it uses less digits than its factorization.

203230121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157125.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 203230121002 its reverse (200121032302), we get a palindrome (403351153304).

The spelling of 203230121002 in words is "two hundred three billion, two hundred thirty million, one hundred twenty-one thousand, two".