1320250561300 has 72 divisors (see below), whose sum is σ = 3132233274240. Its totient is φ = 479040403200.

The previous prime is 1320250561277. The next prime is 1320250561309. The reversal of 1320250561300 is 31650520231.

It is a super-2 number, since 2×1320250561300² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320250561309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 810460 + ... + 1815859.

It is an arithmetic number, because the mean of its divisors is an integer number (43503239920).

Almost surely, 2^{1320250561300} is an apocalyptic number.

1320250561300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1320250561300 is an abundant number, since it is smaller than the sum of its proper divisors (1811982712940).

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

1320250561300 is a wasteful number, since it uses less digits than its factorization.

1320250561300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2626801 (or 2626794 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 1320250561300 in words is "one trillion, three hundred twenty billion, two hundred fifty million, five hundred sixty-one thousand, three hundred".