120100242515 has 16 divisors (see below), whose sum is σ = 158130946656. Its totient is φ = 86840736000.

The previous prime is 120100242469. The next prime is 120100242539. The reversal of 120100242515 is 515242001021.

It is not a de Polignac number, because 120100242515 - 2¹⁶ = 120100176979 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6301586 + ... + 6320615.

It is an arithmetic number, because the mean of its divisors is an integer number (9883184166).

Almost surely, 2^120100242515 is an apocalyptic number.

120100242515 is a deficient number, since it is larger than the sum of its proper divisors (38030704141).

120100242515 is a wasteful number, since it uses less digits than its factorization.

120100242515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12622390.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 120100242515 its reverse (515242001021), we get a palindrome (635342243536).

The spelling of 120100242515 in words is "one hundred twenty billion, one hundred million, two hundred forty-two thousand, five hundred fifteen".