12461989748 has 12 divisors (see below), whose sum is σ = 23486057700. Its totient is φ = 5751687552.

The previous prime is 12461989747. The next prime is 12461989759. The reversal of 12461989748 is 84798916421.

It can be written as a sum of positive squares in 2 ways, for example, as 7182223504 + 5279766244 = 84748^2 + 72662^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12461989747) 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, 119826773 + ... + 119826876.

It is an arithmetic number, because the mean of its divisors is an integer number (1957171475).

Almost surely, 2^12461989748 is an apocalyptic number.

It is an amenable number.

12461989748 is a deficient number, since it is larger than the sum of its proper divisors (11024067952).

12461989748 is a wasteful number, since it uses less digits than its factorization.

12461989748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239653666 (or 239653664 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 59.

The spelling of 12461989748 in words is "twelve billion, four hundred sixty-one million, nine hundred eighty-nine thousand, seven hundred forty-eight".