120500425050521 has 4 divisors (see below), whose sum is σ = 120645781414500. Its totient is φ = 120355068686544.

The previous prime is 120500425050463. The next prime is 120500425050529. The reversal of 120500425050521 is 125050524005021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53985227231296 + 66515197819225 = 7347464^2 + 8155685^2 .

It is a cyclic number.

It is not a de Polignac number, because 120500425050521 - 2⁶ = 120500425050457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120500425050529) 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, 72678180746 + ... + 72678182403.

It is an arithmetic number, because the mean of its divisors is an integer number (30161445353625).

Almost surely, 2^{120500425050521} is an apocalyptic number.

It is an amenable number.

120500425050521 is a deficient number, since it is larger than the sum of its proper divisors (145356363979).

120500425050521 is an equidigital number, since it uses as much as digits as its factorization.

120500425050521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145356363978.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 120500425050521 its reverse (125050524005021), we get a palindrome (245550949055542).

The spelling of 120500425050521 in words is "one hundred twenty trillion, five hundred billion, four hundred twenty-five million, fifty thousand, five hundred twenty-one".