1299304242720 has 576 divisors, whose sum is σ = 5024111339520. Its totient is φ = 314480102400.

The previous prime is 1299304242707. The next prime is 1299304242721. The reversal of 1299304242720 is 272424039921.

1299304242720 is a `hidden beast` number, since 12 + 99 + 304 + 242 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1299304242721) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 316053465 + ... + 316057575.

It is an arithmetic number, because the mean of its divisors is an integer number (8722415520).

Almost surely, 2^{1299304242720} is an apocalyptic number.

1299304242720 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 1299304242720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2512055669760).

1299304242720 is an abundant number, since it is smaller than the sum of its proper divisors (3724807096800).

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

1299304242720 is a wasteful number, since it uses less digits than its factorization.

1299304242720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891 (or 4871 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 1299304242720 in words is "one trillion, two hundred ninety-nine billion, three hundred four million, two hundred forty-two thousand, seven hundred twenty".