203203422412 has 12 divisors (see below), whose sum is σ = 356871492936. Its totient is φ = 101240138720.

The previous prime is 203203422403. The next prime is 203203422413. The reversal of 203203422412 is 214224302302.

It is not an unprimeable number, because it can be changed into a prime (203203422413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90391858 + ... + 90394105.

It is an arithmetic number, because the mean of its divisors is an integer number (29739291078).

Almost surely, 2^203203422412 is an apocalyptic number.

It is an amenable number.

203203422412 is a deficient number, since it is larger than the sum of its proper divisors (153668070524).

203203422412 is a wasteful number, since it uses less digits than its factorization.

203203422412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180786248 (or 180786246 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 203203422412 its reverse (214224302302), we get a palindrome (417427724714).

The spelling of 203203422412 in words is "two hundred three billion, two hundred three million, four hundred twenty-two thousand, four hundred twelve".