1321002020230 has 32 divisors (see below), whose sum is σ = 2517825098880. Its totient is φ = 497288647680.

The previous prime is 1321002020209. The next prime is 1321002020237. The reversal of 1321002020230 is 320202001231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321002020237) 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, 2727210 + ... + 3174850.

It is an arithmetic number, because the mean of its divisors is an integer number (78682034340).

Almost surely, 2^{1321002020230} is an apocalyptic number.

1321002020230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321002020230 is a deficient number, since it is larger than the sum of its proper divisors (1196823078650).

1321002020230 is a wasteful number, since it uses less digits than its factorization.

1321002020230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465024.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 1321002020230 its reverse (320202001231), we get a palindrome (1641204021461).

The spelling of 1321002020230 in words is "one trillion, three hundred twenty-one billion, two million, twenty thousand, two hundred thirty".