1284847313100 has 72 divisors (see below), whose sum is σ = 4003452460560. Its totient is φ = 316270106880.

The previous prime is 1284847313093. The next prime is 1284847313119. The reversal of 1284847313100 is 13137484821.

It is a super-2 number, since 2×1284847313100² (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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164720115 + ... + 164727914.

Almost surely, 2^{1284847313100} is an apocalyptic number.

1284847313100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1284847313100 is an abundant number, since it is smaller than the sum of its proper divisors (2718605147460).

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

1284847313100 is a wasteful number, since it uses less digits than its factorization.

1284847313100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329448059 (or 329448052 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 1284847313100 in words is "one trillion, two hundred eighty-four billion, eight hundred forty-seven million, three hundred thirteen thousand, one hundred".