12451968242 has 16 divisors (see below), whose sum is σ = 21354725952. Its totient is φ = 5334434160.

The previous prime is 12451968233. The next prime is 12451968253. The reversal of 12451968242 is 24286915421.

It is a junction number, because it is equal to n+sod(n) for n = 12451968193 and 12451968202.

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 7 ways as a sum of consecutive naturals, for example, 140273 + ... + 211140.

It is an arithmetic number, because the mean of its divisors is an integer number (1334670372).

Almost surely, 2^12451968242 is an apocalyptic number.

12451968242 is a deficient number, since it is larger than the sum of its proper divisors (8902757710).

12451968242 is a wasteful number, since it uses less digits than its factorization.

12451968242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353953.

The product of its digits is 276480, while the sum is 44.

The spelling of 12451968242 in words is "twelve billion, four hundred fifty-one million, nine hundred sixty-eight thousand, two hundred forty-two".