1306212701728 has 48 divisors (see below), whose sum is σ = 2807672232960. Its totient is φ = 593249747200.

The previous prime is 1306212701707. The next prime is 1306212701753. The reversal of 1306212701728 is 8271072126031.

It is a super-2 number, since 2×1306212701728² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077088 + ... + 1942303.

It is an arithmetic number, because the mean of its divisors is an integer number (58493171520).

Almost surely, 2^{1306212701728} is an apocalyptic number.

It is an amenable number.

1306212701728 is an abundant number, since it is smaller than the sum of its proper divisors (1501459531232).

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

1306212701728 is a wasteful number, since it uses less digits than its factorization.

1306212701728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3020641 (or 3020633 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 40.

Adding to 1306212701728 its reverse (8271072126031), we get a palindrome (9577284827759).

The spelling of 1306212701728 in words is "one trillion, three hundred six billion, two hundred twelve million, seven hundred one thousand, seven hundred twenty-eight".