1260545200000 has 192 divisors, whose sum is σ = 3149255622240. Its totient is φ = 502547200000.

The previous prime is 1260545199929. The next prime is 1260545200001. The reversal of 1260545200000 is 25450621.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260545200001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 124394934 + ... + 124405066.

Almost surely, 2^{1260545200000} is an apocalyptic number.

1260545200000 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 1260545200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1574627811120).

1260545200000 is an abundant number, since it is smaller than the sum of its proper divisors (1888710422240).

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

1260545200000 is an frugal number, since it uses more digits than its factorization.

1260545200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10483 (or 10451 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 1260545200000 in words is "one trillion, two hundred sixty billion, five hundred forty-five million, two hundred thousand".