203032121212 has 48 divisors (see below), whose sum is σ = 369147945600. Its totient is φ = 97592302080.

The previous prime is 203032121207. The next prime is 203032121231. The reversal of 203032121212 is 212121230302.

203032121212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 203032121212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38810637 + ... + 38815867.

It is an arithmetic number, because the mean of its divisors is an integer number (7690582200).

Almost surely, 2^203032121212 is an apocalyptic number.

It is an amenable number.

203032121212 is a deficient number, since it is larger than the sum of its proper divisors (166115824388).

203032121212 is a wasteful number, since it uses less digits than its factorization.

203032121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6646 (or 6644 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 203032121212 its reverse (212121230302), we get a palindrome (415153351514).

The spelling of 203032121212 in words is "two hundred three billion, thirty-two million, one hundred twenty-one thousand, two hundred twelve".