212871351558 has 16 divisors (see below), whose sum is σ = 425956991040. Its totient is φ = 70921402536.

The previous prime is 212871351551. The next prime is 212871351569. The reversal of 212871351558 is 855153178212.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212871351551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8915748 + ... + 8939591.

It is an arithmetic number, because the mean of its divisors is an integer number (26622311940).

Almost surely, 2^212871351558 is an apocalyptic number.

212871351558 is an abundant number, since it is smaller than the sum of its proper divisors (213085639482).

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

212871351558 is a wasteful number, since it uses less digits than its factorization.

212871351558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17857331.

The product of its digits is 672000, while the sum is 48.

The spelling of 212871351558 in words is "two hundred twelve billion, eight hundred seventy-one million, three hundred fifty-one thousand, five hundred fifty-eight".