212458545854212 has 48 divisors (see below), whose sum is σ = 451358878134528. Its totient is φ = 85422009784320.

The previous prime is 212458545854183. The next prime is 212458545854213.

212458545854212 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (212458545854213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 717442773 + ... + 717738844.

It is an arithmetic number, because the mean of its divisors is an integer number (9403309961136).

Almost surely, 2^{212458545854212} is an apocalyptic number.

It is an amenable number.

212458545854212 is an abundant number, since it is smaller than the sum of its proper divisors (238900332280316).

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

212458545854212 is a wasteful number, since it uses less digits than its factorization.

212458545854212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435181956 (or 1435181954 counting only the distinct ones).

The product of its digits is 40960000, while the sum is 58.

The spelling of 212458545854212 in words is "two hundred twelve trillion, four hundred fifty-eight billion, five hundred forty-five million, eight hundred fifty-four thousand, two hundred twelve".