213054545312 has 48 divisors (see below), whose sum is σ = 479412581760. Its totient is φ = 91301499648.

The previous prime is 213054545269. The next prime is 213054545371. The reversal of 213054545312 is 213545450312.

It is a super-2 number, since 2×213054545312² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3282389 + ... + 3346667.

It is an arithmetic number, because the mean of its divisors is an integer number (9987762120).

Almost surely, 2^213054545312 is an apocalyptic number.

It is an amenable number.

213054545312 is an abundant number, since it is smaller than the sum of its proper divisors (266358036448).

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

213054545312 is a wasteful number, since it uses less digits than its factorization.

213054545312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79093 (or 79085 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 213054545312 its reverse (213545450312), we get a palindrome (426599995624).

The spelling of 213054545312 in words is "two hundred thirteen billion, fifty-four million, five hundred forty-five thousand, three hundred twelve".