1047681841812 has 48 divisors (see below), whose sum is σ = 2611296600192. Its totient is φ = 325775779840.

The previous prime is 1047681841783. The next prime is 1047681841823. The reversal of 1047681841812 is 2181481867401.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22701264 + ... + 22747367.

It is an arithmetic number, because the mean of its divisors is an integer number (54402012504).

Almost surely, 2^{1047681841812} is an apocalyptic number.

1047681841812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1047681841812 is an abundant number, since it is smaller than the sum of its proper divisors (1563614758380).

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

1047681841812 is a wasteful number, since it uses less digits than its factorization.

1047681841812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45448768 (or 45448766 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 51.

The spelling of 1047681841812 in words is "one trillion, forty-seven billion, six hundred eighty-one million, eight hundred forty-one thousand, eight hundred twelve".