321140201204 has 6 divisors (see below), whose sum is σ = 561995352114. Its totient is φ = 160570100600.

The previous prime is 321140201197. The next prime is 321140201231. The reversal of 321140201204 is 402102041123.

It can be written as a sum of positive squares in only one way, i.e., 232514911204 + 88625290000 = 482198^2 + 297700^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40142525147 + ... + 40142525154.

It is an arithmetic number, because the mean of its divisors is an integer number (93665892019).

Almost surely, 2^321140201204 is an apocalyptic number.

It is an amenable number.

321140201204 is a deficient number, since it is larger than the sum of its proper divisors (240855150910).

321140201204 is a wasteful number, since it uses less digits than its factorization.

321140201204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80285050305 (or 80285050303 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 321140201204 its reverse (402102041123), we get a palindrome (723242242327).

The spelling of 321140201204 in words is "three hundred twenty-one billion, one hundred forty million, two hundred one thousand, two hundred four".