2187013085672 has 32 divisors (see below), whose sum is σ = 4279100719680. Its totient is φ = 1045923162240.

The previous prime is 2187013085669. The next prime is 2187013085683. The reversal of 2187013085672 is 2765803107812.

It is a self number, because there is not a number n which added to its sum of digits gives 2187013085672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4970972 + ... + 5393012.

It is an arithmetic number, because the mean of its divisors is an integer number (133721897490).

Almost surely, 2^{2187013085672} is an apocalyptic number.

It is an amenable number.

2187013085672 is a deficient number, since it is larger than the sum of its proper divisors (2092087634008).

2187013085672 is a wasteful number, since it uses less digits than its factorization.

2187013085672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450233 (or 450229 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 50.

The spelling of 2187013085672 in words is "two trillion, one hundred eighty-seven billion, thirteen million, eighty-five thousand, six hundred seventy-two".