213554223275512 has 16 divisors (see below), whose sum is σ = 457616192733360. Its totient is φ = 91523238546624.

The previous prime is 213554223275461. The next prime is 213554223275551. The reversal of 213554223275512 is 215572322455312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1906734136333 + ... + 1906734136444.

It is an arithmetic number, because the mean of its divisors is an integer number (28601012045835).

Almost surely, 2^{213554223275512} is an apocalyptic number.

It is an amenable number.

213554223275512 is an abundant number, since it is smaller than the sum of its proper divisors (244061969457848).

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

213554223275512 is a wasteful number, since it uses less digits than its factorization.

213554223275512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813468272790 (or 3813468272786 counting only the distinct ones).

The product of its digits is 5040000, while the sum is 49.

The spelling of 213554223275512 in words is "two hundred thirteen trillion, five hundred fifty-four billion, two hundred twenty-three million, two hundred seventy-five thousand, five hundred twelve".