10203203312 has 20 divisors (see below), whose sum is σ = 19777748280. Its totient is φ = 5099268288.

The previous prime is 10203203303. The next prime is 10203203341. The reversal of 10203203312 is 21330230201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109487 + ... + 179982.

It is an arithmetic number, because the mean of its divisors is an integer number (988887414).

Almost surely, 2^10203203312 is an apocalyptic number.

It is an amenable number.

10203203312 is a deficient number, since it is larger than the sum of its proper divisors (9574544968).

10203203312 is a wasteful number, since it uses less digits than its factorization.

10203203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291680 (or 291674 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10203203312 its reverse (21330230201), we get a palindrome (31533433513).

The spelling of 10203203312 in words is "ten billion, two hundred three million, two hundred three thousand, three hundred twelve".