120221315225 has 12 divisors (see below), whose sum is σ = 162626652240. Its totient is φ = 87433683600.

The previous prime is 120221315219. The next prime is 120221315273. The reversal of 120221315225 is 522513122021.

It is a happy number.

It is not a de Polignac number, because 120221315225 - 2⁴ = 120221315209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120221315194 and 120221315203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218583935 + ... + 218584484.

It is an arithmetic number, because the mean of its divisors is an integer number (13552221020).

Almost surely, 2^120221315225 is an apocalyptic number.

It is an amenable number.

120221315225 is a deficient number, since it is larger than the sum of its proper divisors (42405337015).

120221315225 is a wasteful number, since it uses less digits than its factorization.

120221315225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437168440 (or 437168435 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 120221315225 its reverse (522513122021), we get a palindrome (642734437246).

The spelling of 120221315225 in words is "one hundred twenty billion, two hundred twenty-one million, three hundred fifteen thousand, two hundred twenty-five".