1320601320600 has 384 divisors, whose sum is σ = 4328311541760. Its totient is φ = 332640000000.

The previous prime is 1320601320553. The next prime is 1320601320641. The reversal of 1320601320600 is 60231060231.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 133375650 + ... + 133385550.

It is an arithmetic number, because the mean of its divisors is an integer number (11271644640).

Almost surely, 2^{1320601320600} is an apocalyptic number.

1320601320600 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 1320601320600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2164155770880).

1320601320600 is an abundant number, since it is smaller than the sum of its proper divisors (3007710221160).

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

1320601320600 is a wasteful number, since it uses less digits than its factorization.

1320601320600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10123 (or 10114 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 1320601320600 its reverse (60231060231), we get a palindrome (1380832380831).

It can be divided in two parts, 132060 and 1320600, that added together give a triangular number (1452660 = T₁₇₀₄).

The spelling of 1320601320600 in words is "one trillion, three hundred twenty billion, six hundred one million, three hundred twenty thousand, six hundred".