1320600240000 has 320 divisors, whose sum is σ = 4870455018000. Its totient is φ = 352159488000.

The previous prime is 1320600239993. The next prime is 1320600240007. The reversal of 1320600240000 is 420060231.

It is a happy number.

1320600240000 is a `hidden beast` number, since 1 + 3 + 20 + 600 + 2 + 40 + 0 + 0 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1320600239993) and next prime (1320600240007).

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320600240007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1854306 + ... + 2465694.

Almost surely, 2^{1320600240000} is an apocalyptic number.

1320600240000 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 1320600240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2435227509000).

1320600240000 is an abundant number, since it is smaller than the sum of its proper divisors (3549854778000).

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

1320600240000 is an frugal number, since it uses more digits than its factorization.

1320600240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611432 (or 611399 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The spelling of 1320600240000 in words is "one trillion, three hundred twenty billion, six hundred million, two hundred forty thousand".