12214420421242 has 8 divisors (see below), whose sum is σ = 19730986834356. Its totient is φ = 5637424809792.

The previous prime is 12214420421227. The next prime is 12214420421347. The reversal of 12214420421242 is 24212402441221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 12214039429881 + 380991361 = 3494859^2 + 19519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 234892700383 + ... + 234892700434.

Almost surely, 2^{12214420421242} is an apocalyptic number.

12214420421242 is a deficient number, since it is larger than the sum of its proper divisors (7516566413114).

12214420421242 is a wasteful number, since it uses less digits than its factorization.

12214420421242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469785400832.

The product of its (nonzero) digits is 16384, while the sum is 31.

Adding to 12214420421242 its reverse (24212402441221), we get a palindrome (36426822862463).

The spelling of 12214420421242 in words is "twelve trillion, two hundred fourteen billion, four hundred twenty million, four hundred twenty-one thousand, two hundred forty-two".