1215024322142 has 16 divisors (see below), whose sum is σ = 1825958760912. Its totient is φ = 606371794560.

The previous prime is 1215024322139. The next prime is 1215024322157. The reversal of 1215024322142 is 2412234205121.

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 7 ways as a sum of consecutive naturals, for example, 6286673 + ... + 6477059.

It is an arithmetic number, because the mean of its divisors is an integer number (114122422557).

Almost surely, 2^{1215024322142} is an apocalyptic number.

1215024322142 is a deficient number, since it is larger than the sum of its proper divisors (610934438770).

1215024322142 is a wasteful number, since it uses less digits than its factorization.

1215024322142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196363.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 1215024322142 its reverse (2412234205121), we get a palindrome (3627258527263).

The spelling of 1215024322142 in words is "one trillion, two hundred fifteen billion, twenty-four million, three hundred twenty-two thousand, one hundred forty-two".