321120312201 has 12 divisors (see below), whose sum is σ = 499520485828. Its totient is φ = 197612499744.

The previous prime is 321120312187. The next prime is 321120312223. The reversal of 321120312201 is 102213021123.

321120312201 is a `hidden beast` number, since 32 + 1 + 120 + 312 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 97750647801 + 223369664400 = 312651^2 + 472620^2 .

It is not a de Polignac number, because 321120312201 - 2⁶ = 321120312137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321120312701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1372308910 + ... + 1372309143.

Almost surely, 2^321120312201 is an apocalyptic number.

It is an amenable number.

321120312201 is a deficient number, since it is larger than the sum of its proper divisors (178400173627).

321120312201 is a wasteful number, since it uses less digits than its factorization.

321120312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2744618072 (or 2744618069 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 321120312201 its reverse (102213021123), we get a palindrome (423333333324).

The spelling of 321120312201 in words is "three hundred twenty-one billion, one hundred twenty million, three hundred twelve thousand, two hundred one".