321402201042 has 64 divisors (see below), whose sum is σ = 771549045120. Its totient is φ = 88177019904.

The previous prime is 321402201037. The next prime is 321402201053. The reversal of 321402201042 is 240102204123.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6353353 + ... + 6403740.

It is an arithmetic number, because the mean of its divisors is an integer number (12055453830).

Almost surely, 2^321402201042 is an apocalyptic number.

321402201042 is an abundant number, since it is smaller than the sum of its proper divisors (450146844078).

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

321402201042 is a wasteful number, since it uses less digits than its factorization.

321402201042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12757147.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 321402201042 its reverse (240102204123), we get a palindrome (561504405165).

The spelling of 321402201042 in words is "three hundred twenty-one billion, four hundred two million, two hundred one thousand, forty-two".