12463261256242 has 4 divisors (see below), whose sum is σ = 18694891884366. Its totient is φ = 6231630628120.

The previous prime is 12463261256233. The next prime is 12463261256261. The reversal of 12463261256242 is 24265216236421.

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

It can be written as a sum of positive squares in only one way, i.e., 12463152241761 + 109014481 = 3530319^2 + 10441^2 .

It is a super-2 number, since 2×12463261256242² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12463261256192 and 12463261256201.

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 as a sum of consecutive naturals, namely, 3115815314059 + ... + 3115815314062.

Almost surely, 2^{12463261256242} is an apocalyptic number.

12463261256242 is a deficient number, since it is larger than the sum of its proper divisors (6231630628124).

12463261256242 is an equidigital number, since it uses as much as digits as its factorization.

12463261256242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6231630628123.

The product of its digits is 1658880, while the sum is 46.

The spelling of 12463261256242 in words is "twelve trillion, four hundred sixty-three billion, two hundred sixty-one million, two hundred fifty-six thousand, two hundred forty-two".