12461989700 has 36 divisors (see below), whose sum is σ = 27063184512. Its totient is φ = 4980986400.

The previous prime is 12461989679. The next prime is 12461989747. The reversal of 12461989700 is 798916421.

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 11 ways as a sum of consecutive naturals, for example, 85745 + ... + 179655.

Almost surely, 2^12461989700 is an apocalyptic number.

12461989700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12461989700 is an abundant number, since it is smaller than the sum of its proper divisors (14601194812).

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

12461989700 is a wasteful number, since it uses less digits than its factorization.

12461989700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95252 (or 95245 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 12461989700 in words is "twelve billion, four hundred sixty-one million, nine hundred eighty-nine thousand, seven hundred".