1230203312 has 40 divisors (see below), whose sum is σ = 2569377216. Its totient is φ = 567230976.

The previous prime is 1230203311. The next prime is 1230203347. The reversal of 1230203312 is 2133020321.

It is not an unprimeable number, because it can be changed into a prime (1230203311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273788 + ... + 278244.

Almost surely, 2^1230203312 is an apocalyptic number.

It is an amenable number.

1230203312 is an abundant number, since it is smaller than the sum of its proper divisors (1339173904).

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

1230203312 is a wasteful number, since it uses less digits than its factorization.

1230203312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5805 (or 5799 counting only the distinct ones).

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

The square root of 1230203312 is about 35074.2542614950. The cubic root of 1230203312 is about 1071.5003008198.

Adding to 1230203312 its reverse (2133020321), we get a palindrome (3363223633).

The spelling of 1230203312 in words is "one billion, two hundred thirty million, two hundred three thousand, three hundred twelve".