84658120012 has 12 divisors (see below), whose sum is σ = 151303874400. Its totient is φ = 41428441616.

The previous prime is 84658119911. The next prime is 84658120033. The reversal of 84658120012 is 21002185648.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225154387 + ... + 225154762.

It is an arithmetic number, because the mean of its divisors is an integer number (12608656200).

Almost surely, 2^84658120012 is an apocalyptic number.

It is an amenable number.

84658120012 is a deficient number, since it is larger than the sum of its proper divisors (66645754388).

84658120012 is a wasteful number, since it uses less digits than its factorization.

84658120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450309200 (or 450309198 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 84658120012 in words is "eighty-four billion, six hundred fifty-eight million, one hundred twenty thousand, twelve".