212455554212 has 12 divisors (see below), whose sum is σ = 405596967216. Its totient is φ = 96570706440.

The previous prime is 212455554203. The next prime is 212455554217.

212455554212 is nontrivially palindromic in base 10.

212455554212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212455554217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414267618 + ... + 2414267705.

It is an arithmetic number, because the mean of its divisors is an integer number (33799747268).

Almost surely, 2^212455554212 is an apocalyptic number.

212455554212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212455554212 is a deficient number, since it is larger than the sum of its proper divisors (193141413004).

212455554212 is a wasteful number, since it uses less digits than its factorization.

212455554212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4828535338 (or 4828535336 counting only the distinct ones).

The product of its digits is 160000, while the sum is 38.

It can be divided in two parts, 212455 and 554212, that added together give a palindrome (766667).

The spelling of 212455554212 in words is "two hundred twelve billion, four hundred fifty-five million, five hundred fifty-four thousand, two hundred twelve".