1301123312320 has 56 divisors (see below), whose sum is σ = 3336630658704. Its totient is φ = 480414759936.

The previous prime is 1301123312317. The next prime is 1301123312341. The reversal of 1301123312320 is 232133211031.

It is a super-3 number, since 3×1301123312320³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1301123312291 and 1301123312300.

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, 156380854 + ... + 156389173.

It is an arithmetic number, because the mean of its divisors is an integer number (59582690334).

Almost surely, 2^{1301123312320} is an apocalyptic number.

1301123312320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1301123312320 is an abundant number, since it is smaller than the sum of its proper divisors (2035507346384).

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

1301123312320 is a wasteful number, since it uses less digits than its factorization.

1301123312320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312770057 (or 312770047 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1301123312320 its reverse (232133211031), we get a palindrome (1533256523351).

The spelling of 1301123312320 in words is "one trillion, three hundred one billion, one hundred twenty-three million, three hundred twelve thousand, three hundred twenty".