1312988585860 has 48 divisors (see below), whose sum is σ = 3186579070080. Its totient is φ = 445109448960.

The previous prime is 1312988585813. The next prime is 1312988585929. The reversal of 1312988585860 is 685858892131.

It is a junction number, because it is equal to n+sod(n) for n = 1312988585792 and 1312988585801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52675686 + ... + 52700605.

It is an arithmetic number, because the mean of its divisors is an integer number (66387063960).

Almost surely, 2^{1312988585860} is an apocalyptic number.

1312988585860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312988585860 is an abundant number, since it is smaller than the sum of its proper divisors (1873590484220).

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

1312988585860 is a wasteful number, since it uses less digits than its factorization.

1312988585860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105376396 (or 105376394 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 64.

The spelling of 1312988585860 in words is "one trillion, three hundred twelve billion, nine hundred eighty-eight million, five hundred eighty-five thousand, eight hundred sixty".