1215441203342 has 8 divisors (see below), whose sum is σ = 1823315836800. Its totient is φ = 607669257744.

The previous prime is 1215441203311. The next prime is 1215441203377. The reversal of 1215441203342 is 2433021445121.

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 = 1215441203299 and 1215441203308.

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, 25642367 + ... + 25689722.

It is an arithmetic number, because the mean of its divisors is an integer number (227914479600).

Almost surely, 2^{1215441203342} is an apocalyptic number.

1215441203342 is a deficient number, since it is larger than the sum of its proper divisors (607874633458).

1215441203342 is a wasteful number, since it uses less digits than its factorization.

1215441203342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51343930.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 1215441203342 its reverse (2433021445121), we get a palindrome (3648462648463).

The spelling of 1215441203342 in words is "one trillion, two hundred fifteen billion, four hundred forty-one million, two hundred three thousand, three hundred forty-two".