1232112300 has 72 divisors (see below), whose sum is σ = 3719928576. Its totient is φ = 314276160.

The previous prime is 1232112251. The next prime is 1232112307. The reversal of 1232112300 is 32112321.

It is a super-2 number, since 2×1232112300² = 3036201439622580000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1232112300.

It is not an unprimeable number, because it can be changed into a prime (1232112307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82384 + ... + 96183.

Almost surely, 2^1232112300 is an apocalyptic number.

1232112300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232112300 is an abundant number, since it is smaller than the sum of its proper divisors (2487816276).

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

1232112300 is a wasteful number, since it uses less digits than its factorization.

1232112300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178607 (or 178600 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1232112300 is about 35101.4572347075. The cubic root of 1232112300 is about 1072.0542537237.

Adding to 1232112300 its reverse (32112321), we get a palindrome (1264224621).

The spelling of 1232112300 in words is "one billion, two hundred thirty-two million, one hundred twelve thousand, three hundred".