12214420421142 has 16 divisors (see below), whose sum is σ = 24475549913280. Its totient is φ = 4063688628552.

The previous prime is 12214420421087. The next prime is 12214420421149. The reversal of 12214420421142 is 24112402441221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12214420421149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1946207892 + ... + 1946214167.

It is an arithmetic number, because the mean of its divisors is an integer number (1529721869580).

Almost surely, 2^{12214420421142} is an apocalyptic number.

12214420421142 is an abundant number, since it is smaller than the sum of its proper divisors (12261129492138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12214420421142 is a wasteful number, since it uses less digits than its factorization.

12214420421142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892422587.

The product of its (nonzero) digits is 8192, while the sum is 30.

Adding to 12214420421142 its reverse (24112402441221), we get a palindrome (36326822862363).

The spelling of 12214420421142 in words is "twelve trillion, two hundred fourteen billion, four hundred twenty million, four hundred twenty-one thousand, one hundred forty-two".