1021230300420 has 192 divisors, whose sum is σ = 3648414873600. Its totient is φ = 234540904320.

The previous prime is 1021230300403. The next prime is 1021230300443. The reversal of 1021230300420 is 240030321201.

1021230300420 is a `hidden beast` number, since 1 + 0 + 212 + 3 + 0 + 30 + 0 + 420 = 666.

It is a super-2 number, since 2×1021230300420² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1021230300393 and 1021230300402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4411464 + ... + 4637183.

It is an arithmetic number, because the mean of its divisors is an integer number (19002160800).

Almost surely, 2^{1021230300420} is an apocalyptic number.

1021230300420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1021230300420 is an abundant number, since it is smaller than the sum of its proper divisors (2627184573180).

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

1021230300420 is a wasteful number, since it uses less digits than its factorization.

1021230300420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9048695 (or 9048687 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1021230300420 its reverse (240030321201), we get a palindrome (1261260621621).

The spelling of 1021230300420 in words is "one trillion, twenty-one billion, two hundred thirty million, three hundred thousand, four hundred twenty".