1020321001230 has 16 divisors (see below), whose sum is σ = 2448770403024. Its totient is φ = 272085600320.

The previous prime is 1020321001187. The next prime is 1020321001243. The reversal of 1020321001230 is 321001230201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17005349991 + ... + 17005350050.

It is an arithmetic number, because the mean of its divisors is an integer number (153048150189).

Almost surely, 2^{1020321001230} is an apocalyptic number.

1020321001230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020321001230 is an abundant number, since it is smaller than the sum of its proper divisors (1428449401794).

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

1020321001230 is a wasteful number, since it uses less digits than its factorization.

1020321001230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34010700051.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 1020321001230 its reverse (321001230201), we get a palindrome (1341322231431).

The spelling of 1020321001230 in words is "one trillion, twenty billion, three hundred twenty-one million, one thousand, two hundred thirty".