1302321002120 has 16 divisors (see below), whose sum is σ = 2930222254860. Its totient is φ = 520928400832.

The previous prime is 1302321002113. The next prime is 1302321002123. The reversal of 1302321002120 is 212001232031.

It can be written as a sum of positive squares in 2 ways, for example, as 1237883210404 + 64437791716 = 1112602^2 + 253846^2 .

It is not an unprimeable number, because it can be changed into a prime (1302321002123) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16279012487 + ... + 16279012566.

Almost surely, 2^{1302321002120} is an apocalyptic number.

1302321002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302321002120 is an abundant number, since it is smaller than the sum of its proper divisors (1627901252740).

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

1302321002120 is a wasteful number, since it uses less digits than its factorization.

1302321002120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32558025064 (or 32558025060 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1302321002120 its reverse (212001232031), we get a palindrome (1514322234151).

The spelling of 1302321002120 in words is "one trillion, three hundred two billion, three hundred twenty-one million, two thousand, one hundred twenty".