321224000201402 has 4 divisors (see below), whose sum is σ = 481836000302106. Its totient is φ = 160612000100700.

The previous prime is 321224000201371. The next prime is 321224000201411. The reversal of 321224000201402 is 204102000422123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 262533676757881 + 58690323443521 = 16202891^2 + 7660961^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80306000050349 + ... + 80306000050352.

Almost surely, 2^{321224000201402} is an apocalyptic number.

321224000201402 is a deficient number, since it is larger than the sum of its proper divisors (160612000100704).

321224000201402 is a wasteful number, since it uses less digits than its factorization.

321224000201402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160612000100703.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 321224000201402 its reverse (204102000422123), we get a palindrome (525326000623525).

The spelling of 321224000201402 in words is "three hundred twenty-one trillion, two hundred twenty-four billion, two hundred one thousand, four hundred two".