13120142332242 has 32 divisors (see below), whose sum is σ = 29017898867520. Its totient is φ = 3921337681920.

The previous prime is 13120142332211. The next prime is 13120142332247. The reversal of 13120142332242 is 24223324102131.

It is a happy number.

It is a super-2 number, since 2×13120142332242² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13120142332247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1361570767 + ... + 1361580402.

It is an arithmetic number, because the mean of its divisors is an integer number (906809339610).

Almost surely, 2^{13120142332242} is an apocalyptic number.

13120142332242 is an abundant number, since it is smaller than the sum of its proper divisors (15897756535278).

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

13120142332242 is a wasteful number, since it uses less digits than its factorization.

13120142332242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2723151258.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 13120142332242 its reverse (24223324102131), we get a palindrome (37343466434373).

The spelling of 13120142332242 in words is "thirteen trillion, one hundred twenty billion, one hundred forty-two million, three hundred thirty-two thousand, two hundred forty-two".