1232130100 has 18 divisors (see below), whose sum is σ = 2673722534. Its totient is φ = 492852000.

The previous prime is 1232130089. The next prime is 1232130139. The reversal of 1232130100 is 10312321.

It can be written as a sum of positive squares in 3 ways, for example, as 337163044 + 894967056 = 18362^2 + 29916^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6160551 + ... + 6160750.

Almost surely, 2^1232130100 is an apocalyptic number.

1232130100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232130100 is an abundant number, since it is smaller than the sum of its proper divisors (1441592434).

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

1232130100 is a wasteful number, since it uses less digits than its factorization.

1232130100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12321315 (or 12321308 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1232130100 is about 35101.7107845188. The cubic root of 1232130100 is about 1072.0594162601.

Adding to 1232130100 its reverse (10312321), we get a palindrome (1242442421).

The spelling of 1232130100 in words is "one billion, two hundred thirty-two million, one hundred thirty thousand, one hundred".