10140420321242 has 16 divisors (see below), whose sum is σ = 15876326529792. Its totient is φ = 4848432708240.

The previous prime is 10140420321079. The next prime is 10140420321257. The reversal of 10140420321242 is 24212302404101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30138434 + ... + 30473037.

It is an arithmetic number, because the mean of its divisors is an integer number (992270408112).

Almost surely, 2^{10140420321242} is an apocalyptic number.

10140420321242 is a deficient number, since it is larger than the sum of its proper divisors (5735906208550).

10140420321242 is a wasteful number, since it uses less digits than its factorization.

10140420321242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60615133.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 10140420321242 its reverse (24212302404101), we get a palindrome (34352722725343).

The spelling of 10140420321242 in words is "ten trillion, one hundred forty billion, four hundred twenty million, three hundred twenty-one thousand, two hundred forty-two".