1224213040342 has 8 divisors (see below), whose sum is σ = 1838939134032. Its totient is φ = 611233329000.

The previous prime is 1224213040181. The next prime is 1224213040361. The reversal of 1224213040342 is 2430403124221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1224213040342.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436593834 + ... + 436596637.

It is an arithmetic number, because the mean of its divisors is an integer number (229867391754).

Almost surely, 2^{1224213040342} is an apocalyptic number.

1224213040342 is a deficient number, since it is larger than the sum of its proper divisors (614726093690).

1224213040342 is an equidigital number, since it uses as much as digits as its factorization.

1224213040342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873191174.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1224213040342 its reverse (2430403124221), we get a palindrome (3654616164563).

The spelling of 1224213040342 in words is "one trillion, two hundred twenty-four billion, two hundred thirteen million, forty thousand, three hundred forty-two".