12220244224142 has 8 divisors (see below), whose sum is σ = 18536325508800. Its totient is φ = 6041469054544.

The previous prime is 12220244224109. The next prime is 12220244224277. The reversal of 12220244224142 is 24142244202221.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12220244224099 and 12220244224108.

It is a congruent number.

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, 34326528542 + ... + 34326528897.

It is an arithmetic number, because the mean of its divisors is an integer number (2317040688600).

Almost surely, 2^{12220244224142} is an apocalyptic number.

12220244224142 is a deficient number, since it is larger than the sum of its proper divisors (6316081284658).

12220244224142 is an equidigital number, since it uses as much as digits as its factorization.

12220244224142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68653057530.

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 12220244224142 its reverse (24142244202221), we get a palindrome (36362488426363).

The spelling of 12220244224142 in words is "twelve trillion, two hundred twenty billion, two hundred forty-four million, two hundred twenty-four thousand, one hundred forty-two".