321214210400442 has 16 divisors (see below), whose sum is σ = 644030486692992. Its totient is φ = 106804392484800.

The previous prime is 321214210400437. The next prime is 321214210400491. The reversal of 321214210400442 is 244004012412123.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66752742898 + ... + 66752747709.

It is an arithmetic number, because the mean of its divisors is an integer number (40251905418312).

Almost surely, 2^{321214210400442} is an apocalyptic number.

321214210400442 is an abundant number, since it is smaller than the sum of its proper divisors (322816276292550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321214210400442 is a wasteful number, since it uses less digits than its factorization.

321214210400442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133505491013.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 321214210400442 its reverse (244004012412123), we get a palindrome (565218222812565).

The spelling of 321214210400442 in words is "three hundred twenty-one trillion, two hundred fourteen billion, two hundred ten million, four hundred thousand, four hundred forty-two".