1230203132 has 12 divisors (see below), whose sum is σ = 2222302656. Its totient is φ = 595259520.

The previous prime is 1230203131. The next prime is 1230203201. The reversal of 1230203132 is 2313020321.

It is a self number, because there is not a number n which added to its sum of digits gives 1230203132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230203131) 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, 4960373 + ... + 4960620.

It is an arithmetic number, because the mean of its divisors is an integer number (185191888).

Almost surely, 2^1230203132 is an apocalyptic number.

It is an amenable number.

1230203132 is a deficient number, since it is larger than the sum of its proper divisors (992099524).

1230203132 is a wasteful number, since it uses less digits than its factorization.

1230203132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9921028 (or 9921026 counting only the distinct ones).

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

The square root of 1230203132 is about 35074.2516955102. The cubic root of 1230203132 is about 1071.5002485601.

Adding to 1230203132 its reverse (2313020321), we get a palindrome (3543223453).

The spelling of 1230203132 in words is "one billion, two hundred thirty million, two hundred three thousand, one hundred thirty-two".