321214261450 has 24 divisors (see below), whose sum is σ = 597522163500. Its totient is φ = 128472019200.

The previous prime is 321214261399. The next prime is 321214261463. The reversal of 321214261450 is 54162412123.

It can be written as a sum of positive squares in 6 ways, for example, as 201797709961 + 119416551489 = 449219^2 + 345567^2 .

It is a super-2 number, since 2×321214261450² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138676 + ... + 813424.

Almost surely, 2^321214261450 is an apocalyptic number.

321214261450 is a deficient number, since it is larger than the sum of its proper divisors (276307902050).

321214261450 is a wasteful number, since it uses less digits than its factorization.

321214261450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684282 (or 684277 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 321214261450 its reverse (54162412123), we get a palindrome (375376673573).

The spelling of 321214261450 in words is "three hundred twenty-one billion, two hundred fourteen million, two hundred sixty-one thousand, four hundred fifty".