321420301143000 has 128 divisors (see below), whose sum is σ = 1007135338921920. Its totient is φ = 85344217113600.

The previous prime is 321420301142971. The next prime is 321420301143001. The reversal of 321420301143000 is 341103024123.

It is a happy number.

It is a super-2 number, since 2×321420301143000² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321420301143001) 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, 229215379 + ... + 230613378.

Almost surely, 2^{321420301143000} is an apocalyptic number.

321420301143000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

321420301143000 is an abundant number, since it is smaller than the sum of its proper divisors (685715037778920).

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

321420301143000 is a wasteful number, since it uses less digits than its factorization.

321420301143000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459829014 (or 459829000 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 321420301143000 its reverse (341103024123), we get a palindrome (321761404167123).

The spelling of 321420301143000 in words is "three hundred twenty-one trillion, four hundred twenty billion, three hundred one million, one hundred forty-three thousand".