321420012223002 has 64 divisors (see below), whose sum is σ = 801464946278400. Its totient is φ = 83485503017280.

The previous prime is 321420012222937. The next prime is 321420012223007. The reversal of 321420012223002 is 200322210024123.

It is not an unprimeable number, because it can be changed into a prime (321420012223007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264174024 + ... + 265387932.

It is an arithmetic number, because the mean of its divisors is an integer number (12522889785600).

Almost surely, 2^{321420012223002} is an apocalyptic number.

321420012223002 is an abundant number, since it is smaller than the sum of its proper divisors (480044934055398).

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

321420012223002 is a wasteful number, since it uses less digits than its factorization.

321420012223002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787051.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 321420012223002 its reverse (200322210024123), we get a palindrome (521742222247125).

The spelling of 321420012223002 in words is "three hundred twenty-one trillion, four hundred twenty billion, twelve million, two hundred twenty-three thousand, two".