12427982242 has 16 divisors (see below), whose sum is σ = 20948840640. Its totient is φ = 5486600592.

The previous prime is 12427982221. The next prime is 12427982257. The reversal of 12427982242 is 24228972421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10390692 + ... + 10391887.

It is an arithmetic number, because the mean of its divisors is an integer number (1309302540).

Almost surely, 2^12427982242 is an apocalyptic number.

12427982242 is a deficient number, since it is larger than the sum of its proper divisors (8520858398).

12427982242 is a wasteful number, since it uses less digits than its factorization.

12427982242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20782617.

The product of its digits is 258048, while the sum is 43.

The spelling of 12427982242 in words is "twelve billion, four hundred twenty-seven million, nine hundred eighty-two thousand, two hundred forty-two".