120531645633201 has 32 divisors (see below), whose sum is σ = 191619742334976. Its totient is φ = 66534632736000.

The previous prime is 120531645633193. The next prime is 120531645633241. The reversal of 120531645633201 is 102336546135021.

It is a happy number.

It is not a de Polignac number, because 120531645633201 - 2³ = 120531645633193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120531645633241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3465328065 + ... + 3465362846.

It is an arithmetic number, because the mean of its divisors is an integer number (5988116947968).

Almost surely, 2^{120531645633201} is an apocalyptic number.

120531645633201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120531645633201 is a deficient number, since it is larger than the sum of its proper divisors (71088096701775).

120531645633201 is a wasteful number, since it uses less digits than its factorization.

120531645633201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6930690973.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 120531645633201 in words is "one hundred twenty trillion, five hundred thirty-one billion, six hundred forty-five million, six hundred thirty-three thousand, two hundred one".