1042216878672 has 320 divisors, whose sum is σ = 3274761830400. Its totient is φ = 315932866560.

The previous prime is 1042216878601. The next prime is 1042216878673. The reversal of 1042216878672 is 2768786122401.

1042216878672 is a `hidden beast` number, since 10 + 422 + 1 + 68 + 7 + 86 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042216878673) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 163687233 + ... + 163693599.

It is an arithmetic number, because the mean of its divisors is an integer number (10233630720).

Almost surely, 2^{1042216878672} is an apocalyptic number.

1042216878672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042216878672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1637380915200).

1042216878672 is an abundant number, since it is smaller than the sum of its proper divisors (2232544951728).

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

1042216878672 is a wasteful number, since it uses less digits than its factorization.

1042216878672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7151 (or 7139 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 1042216878672 in words is "one trillion, forty-two billion, two hundred sixteen million, eight hundred seventy-eight thousand, six hundred seventy-two".