84130212205 has 64 divisors (see below), whose sum is σ = 112870195200. Its totient is φ = 59806506240.

The previous prime is 84130212191. The next prime is 84130212211. The reversal of 84130212205 is 50221203148.

It is not a de Polignac number, because 84130212205 - 2¹³ = 84130204013 is a prime.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 86642370 + ... + 86643340.

It is an arithmetic number, because the mean of its divisors is an integer number (1763596800).

Almost surely, 2^84130212205 is an apocalyptic number.

It is an amenable number.

84130212205 is a deficient number, since it is larger than the sum of its proper divisors (28739982995).

84130212205 is a wasteful number, since it uses less digits than its factorization.

84130212205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474.

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 84130212205 in words is "eighty-four billion, one hundred thirty million, two hundred twelve thousand, two hundred five".