212354440344 has 32 divisors (see below), whose sum is σ = 589873446000. Its totient is φ = 70784813376.

The previous prime is 212354440297. The next prime is 212354440349. The reversal of 212354440344 is 443044453212.

212354440344 is a `hidden beast` number, since 2 + 1 + 235 + 44 + 40 + 344 = 666.

212354440344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 212354440299 and 212354440308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212354440349) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 491560989 + ... + 491561420.

Almost surely, 2^212354440344 is an apocalyptic number.

212354440344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

212354440344 is an abundant number, since it is smaller than the sum of its proper divisors (377519005656).

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

212354440344 is a wasteful number, since it uses less digits than its factorization.

212354440344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983122424 (or 983122414 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 36.

Adding to 212354440344 its reverse (443044453212), we get a palindrome (655398893556).

The spelling of 212354440344 in words is "two hundred twelve billion, three hundred fifty-four million, four hundred forty thousand, three hundred forty-four".