212583495918 has 32 divisors (see below), whose sum is σ = 432343105920. Its totient is φ = 69675072480.

The previous prime is 212583495881. The next prime is 212583495919. The reversal of 212583495918 is 819594385212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212583495919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1154980 + ... + 1326327.

It is an arithmetic number, because the mean of its divisors is an integer number (13510722060).

Almost surely, 2^212583495918 is an apocalyptic number.

212583495918 is an abundant number, since it is smaller than the sum of its proper divisors (219759610002).

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

212583495918 is a wasteful number, since it uses less digits than its factorization.

212583495918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2481552.

The product of its digits is 6220800, while the sum is 57.

The spelling of 212583495918 in words is "two hundred twelve billion, five hundred eighty-three million, four hundred ninety-five thousand, nine hundred eighteen".