12231009982 has 4 divisors (see below), whose sum is σ = 18346514976. Its totient is φ = 6115504990.

The previous prime is 12231009971. The next prime is 12231009983. The reversal of 12231009982 is 28990013221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231009983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3057752494 + ... + 3057752497.

It is an arithmetic number, because the mean of its divisors is an integer number (4586628744).

Almost surely, 2^12231009982 is an apocalyptic number.

12231009982 is a deficient number, since it is larger than the sum of its proper divisors (6115504994).

12231009982 is an equidigital number, since it uses as much as digits as its factorization.

12231009982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6115504993.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 12231009982 in words is "twelve billion, two hundred thirty-one million, nine thousand, nine hundred eighty-two".