1301323223120 has 40 divisors (see below), whose sum is σ = 3029704292616. Its totient is φ = 519819130368.

The previous prime is 1301323223099. The next prime is 1301323223149. The reversal of 1301323223120 is 213223231031.

It can be written as a sum of positive squares in 4 ways, for example, as 244202012224 + 1057121210896 = 494168^2 + 1028164^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 11037227 + ... + 11154506.

Almost surely, 2^{1301323223120} is an apocalyptic number.

1301323223120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301323223120 is an abundant number, since it is smaller than the sum of its proper divisors (1728381069496).

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

1301323223120 is a wasteful number, since it uses less digits than its factorization.

1301323223120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22192479 (or 22192473 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1301323223120 its reverse (213223231031), we get a palindrome (1514546454151).

The spelling of 1301323223120 in words is "one trillion, three hundred one billion, three hundred twenty-three million, two hundred twenty-three thousand, one hundred twenty".