1312006768820 has 48 divisors (see below), whose sum is σ = 3006439244928. Its totient is φ = 476974162560.

The previous prime is 1312006768817. The next prime is 1312006768861. The reversal of 1312006768820 is 288676002131.

It is a super-2 number, since 2×1312006768820² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139817 + ... + 1625903.

It is an arithmetic number, because the mean of its divisors is an integer number (62634150936).

Almost surely, 2^{1312006768820} is an apocalyptic number.

1312006768820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312006768820 is an abundant number, since it is smaller than the sum of its proper divisors (1694432476108).

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

1312006768820 is a wasteful number, since it uses less digits than its factorization.

1312006768820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490120 (or 1490118 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 1312006768820 in words is "one trillion, three hundred twelve billion, six million, seven hundred sixty-eight thousand, eight hundred twenty".