120142442324 has 12 divisors (see below), whose sum is σ = 210287700084. Its totient is φ = 60060242304.

The previous prime is 120142442323. The next prime is 120142442333. The reversal of 120142442324 is 423244241021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 83711848900 + 36430593424 = 289330^2 + 190868^2 .

It is a super-3 number, since 3×120142442324³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120142442323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2720069 + ... + 2763884.

It is an arithmetic number, because the mean of its divisors is an integer number (17523975007).

Almost surely, 2^120142442324 is an apocalyptic number.

It is an amenable number.

120142442324 is a deficient number, since it is larger than the sum of its proper divisors (90145257760).

120142442324 is a wasteful number, since it uses less digits than its factorization.

120142442324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489434 (or 5489432 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 120142442324 its reverse (423244241021), we get a palindrome (543386683345).

The spelling of 120142442324 in words is "one hundred twenty billion, one hundred forty-two million, four hundred forty-two thousand, three hundred twenty-four".