1021420030304 has 12 divisors (see below), whose sum is σ = 2010920684724. Its totient is φ = 510710015136.

The previous prime is 1021420030303. The next prime is 1021420030333. The reversal of 1021420030304 is 4030300241201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021420030303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15959687942 + ... + 15959688005.

It is an arithmetic number, because the mean of its divisors is an integer number (167576723727).

Almost surely, 2^{1021420030304} is an apocalyptic number.

It is an amenable number.

1021420030304 is a deficient number, since it is larger than the sum of its proper divisors (989500654420).

1021420030304 is an equidigital number, since it uses as much as digits as its factorization.

1021420030304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31919375957 (or 31919375949 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1021420030304 its reverse (4030300241201), we get a palindrome (5051720271505).

The spelling of 1021420030304 in words is "one trillion, twenty-one billion, four hundred twenty million, thirty thousand, three hundred four".