120204532320115 has 16 divisors (see below), whose sum is σ = 144279141553152. Its totient is φ = 96141159205344.

The previous prime is 120204532320113. The next prime is 120204532320121. The reversal of 120204532320115 is 511023235402021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120204532320115 - 2¹ = 120204532320113 is a prime.

It is a super-2 number, since 2×120204532320115² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120204532320113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583281022 + ... + 583487068.

It is an arithmetic number, because the mean of its divisors is an integer number (9017446347072).

Almost surely, 2^{120204532320115} is an apocalyptic number.

120204532320115 is a deficient number, since it is larger than the sum of its proper divisors (24074609233037).

120204532320115 is a wasteful number, since it uses less digits than its factorization.

120204532320115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232746.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 120204532320115 its reverse (511023235402021), we get a palindrome (631227767722136).

The spelling of 120204532320115 in words is "one hundred twenty trillion, two hundred four billion, five hundred thirty-two million, three hundred twenty thousand, one hundred fifteen".