212454544554 has 24 divisors (see below), whose sum is σ = 526077920160. Its totient is φ = 60701298408.

The previous prime is 212454544513. The next prime is 212454544583. The reversal of 212454544554 is 455445454212.

212454544554 is a `hidden beast` number, since 2 + 1 + 2 + 4 + 54 + 5 + 44 + 554 = 666.

212454544554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 843073464 + ... + 843073715.

It is an arithmetic number, because the mean of its divisors is an integer number (21919913340).

Almost surely, 2^212454544554 is an apocalyptic number.

212454544554 is an abundant number, since it is smaller than the sum of its proper divisors (313623375606).

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

212454544554 is a wasteful number, since it uses less digits than its factorization.

212454544554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1686147194 (or 1686147191 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 45.

Adding to 212454544554 its reverse (455445454212), we get a palindrome (667899998766).

The spelling of 212454544554 in words is "two hundred twelve billion, four hundred fifty-four million, five hundred forty-four thousand, five hundred fifty-four".