321205054052 has 12 divisors (see below), whose sum is σ = 562706203836. Its totient is φ = 160431852960.

The previous prime is 321205054043. The next prime is 321205054061. The reversal of 321205054052 is 250450502123.

It is an interprime number because it is at equal distance from previous prime (321205054043) and next prime (321205054061).

It can be written as a sum of positive squares in 2 ways, for example, as 284500624996 + 36704429056 = 533386^2 + 191584^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42664283 + ... + 42671810.

It is an arithmetic number, because the mean of its divisors is an integer number (46892183653).

Almost surely, 2^321205054052 is an apocalyptic number.

It is an amenable number.

321205054052 is a deficient number, since it is larger than the sum of its proper divisors (241501149784).

321205054052 is a wasteful number, since it uses less digits than its factorization.

321205054052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85337038 (or 85337036 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 321205054052 its reverse (250450502123), we get a palindrome (571655556175).

The spelling of 321205054052 in words is "three hundred twenty-one billion, two hundred five million, fifty-four thousand, fifty-two".