12262012781042 has 4 divisors (see below), whose sum is σ = 18393019171566. Its totient is φ = 6131006390520.

The previous prime is 12262012781023. The next prime is 12262012781087. The reversal of 12262012781042 is 24018721026221.

It is a happy number.

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., 11989467181561 + 272545599481 = 3462581^2 + 522059^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12262012780987 and 12262012781005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3065503195259 + ... + 3065503195262.

Almost surely, 2^{12262012781042} is an apocalyptic number.

12262012781042 is a deficient number, since it is larger than the sum of its proper divisors (6131006390524).

12262012781042 is an equidigital number, since it uses as much as digits as its factorization.

12262012781042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6131006390523.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 12262012781042 in words is "twelve trillion, two hundred sixty-two billion, twelve million, seven hundred eighty-one thousand, forty-two".