2187248427812 has 12 divisors (see below), whose sum is σ = 4374496855680. Its totient is φ = 937392183336.

The previous prime is 2187248427799. The next prime is 2187248427829.

2187248427812 is nontrivially palindromic in base 10.

2187248427812 is an admirable number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 39058007612 + ... + 39058007667.

It is an arithmetic number, because the mean of its divisors is an integer number (364541404640).

Almost surely, 2^{2187248427812} is an apocalyptic number.

It is an amenable number.

2187248427812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2187248427812 is a wasteful number, since it uses less digits than its factorization.

2187248427812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78116015290 (or 78116015288 counting only the distinct ones).

The product of its digits is 6422528, while the sum is 56.

The spelling of 2187248427812 in words is "two trillion, one hundred eighty-seven billion, two hundred forty-eight million, four hundred twenty-seven thousand, eight hundred twelve".