1260363891200 has 90 divisors (see below), whose sum is σ = 3122964726189. Its totient is φ = 504094750720.

The previous prime is 1260363891197. The next prime is 1260363891247. The reversal of 1260363891200 is 21983630621.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 1235156613376 + 25207277824 = 1111376^2 + 158768^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=793840.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 127009439 + ... + 127019361.

Almost surely, 2^{1260363891200} is an apocalyptic number.

1260363891200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260363891200

1260363891200 is an abundant number, since it is smaller than the sum of its proper divisors (1862600834989).

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

1260363891200 is an frugal number, since it uses more digits than its factorization.

1260363891200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19874 (or 9930 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 1260363891200 in words is "one trillion, two hundred sixty billion, three hundred sixty-three million, eight hundred ninety-one thousand, two hundred".