84018860188412 has 48 divisors (see below), whose sum is σ = 157209730191360. Its totient is φ = 39152094066432.

The previous prime is 84018860188397. The next prime is 84018860188457. The reversal of 84018860188412 is 21488106881048.

It is a super-2 number, since 2×84018860188412² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11079212 + ... + 17052467.

It is an arithmetic number, because the mean of its divisors is an integer number (3275202712320).

Almost surely, 2^{84018860188412} is an apocalyptic number.

It is an amenable number.

84018860188412 is a deficient number, since it is larger than the sum of its proper divisors (73190870002948).

84018860188412 is a wasteful number, since it uses less digits than its factorization.

84018860188412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28132130 (or 28132128 counting only the distinct ones).

The product of its (nonzero) digits is 6291456, while the sum is 59.

The spelling of 84018860188412 in words is "eighty-four trillion, eighteen billion, eight hundred sixty million, one hundred eighty-eight thousand, four hundred twelve".