12461493982 has 8 divisors (see below), whose sum is σ = 21362561136. Its totient is φ = 5340640272.

The previous prime is 12461493977. The next prime is 12461493983. The reversal of 12461493982 is 28939416421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12461493983) 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, 445053343 + ... + 445053370.

It is an arithmetic number, because the mean of its divisors is an integer number (2670320142).

Almost surely, 2^12461493982 is an apocalyptic number.

12461493982 is a deficient number, since it is larger than the sum of its proper divisors (8901067154).

12461493982 is an equidigital number, since it uses as much as digits as its factorization.

12461493982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890106722.

The product of its digits is 746496, while the sum is 49.

The spelling of 12461493982 in words is "twelve billion, four hundred sixty-one million, four hundred ninety-three thousand, nine hundred eighty-two".