120215232225 has 72 divisors (see below), whose sum is σ = 240356125152. Its totient is φ = 56930630400.

The previous prime is 120215232223. The next prime is 120215232259. The reversal of 120215232225 is 522232512021.

120215232225 is a `hidden beast` number, since 1 + 202 + 1 + 5 + 232 + 225 = 666.

It is not a de Polignac number, because 120215232225 - 2¹ = 120215232223 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120215232223) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 458364 + ... + 671213.

It is an arithmetic number, because the mean of its divisors is an integer number (3338279516).

Almost surely, 2^120215232225 is an apocalyptic number.

120215232225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

120215232225 is a deficient number, since it is larger than the sum of its proper divisors (120140892927).

120215232225 is a wasteful number, since it uses less digits than its factorization.

120215232225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129647 (or 1129639 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 120215232225 its reverse (522232512021), we get a palindrome (642447744246).

The spelling of 120215232225 in words is "one hundred twenty billion, two hundred fifteen million, two hundred thirty-two thousand, two hundred twenty-five".