203312120232 has 32 divisors (see below), whose sum is σ = 547378786080. Its totient is φ = 62557575360.

The previous prime is 203312120227. The next prime is 203312120251. The reversal of 203312120232 is 232021213302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 203312120199 and 203312120208.

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, 325820394 + ... + 325821017.

It is an arithmetic number, because the mean of its divisors is an integer number (17105587065).

Almost surely, 2^203312120232 is an apocalyptic number.

It is an amenable number.

203312120232 is an abundant number, since it is smaller than the sum of its proper divisors (344066665848).

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

203312120232 is a wasteful number, since it uses less digits than its factorization.

203312120232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651641433 (or 651641429 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 203312120232 its reverse (232021213302), we get a palindrome (435333333534).

The spelling of 203312120232 in words is "two hundred three billion, three hundred twelve million, one hundred twenty thousand, two hundred thirty-two".