321421342000 has 80 divisors (see below), whose sum is σ = 847851117984. Its totient is φ = 116880480000.

The previous prime is 321421341953. The next prime is 321421342001. The reversal of 321421342000 is 243124123.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (321421342001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7283031 + ... + 7327030.

Almost surely, 2^321421342000 is an apocalyptic number.

It is an amenable number.

321421342000 is an abundant number, since it is smaller than the sum of its proper divisors (526429775984).

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

321421342000 is a wasteful number, since it uses less digits than its factorization.

321421342000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14610095 (or 14610079 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 321421342000 its reverse (243124123), we get a palindrome (321664466123).

The spelling of 321421342000 in words is "three hundred twenty-one billion, four hundred twenty-one million, three hundred forty-two thousand".