12231434100 has 72 divisors (see below), whose sum is σ = 36346125088. Its totient is φ = 3173558400.

The previous prime is 12231434077. The next prime is 12231434177. The reversal of 12231434100 is 143413221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 539866 + ... + 562065.

Almost surely, 2^12231434100 is an apocalyptic number.

12231434100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12231434100 is an abundant number, since it is smaller than the sum of its proper divisors (24114690988).

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

12231434100 is a wasteful number, since it uses less digits than its factorization.

12231434100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101985 (or 1101978 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12231434100 its reverse (143413221), we get a palindrome (12374847321).

The spelling of 12231434100 in words is "twelve billion, two hundred thirty-one million, four hundred thirty-four thousand, one hundred".