212213035550 has 12 divisors (see below), whose sum is σ = 394716246216. Its totient is φ = 84885214200.

The previous prime is 212213035477. The next prime is 212213035553. The reversal of 212213035550 is 55530312212.

212213035550 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212213035553) 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 5 ways as a sum of consecutive naturals, for example, 2122130306 + ... + 2122130405.

It is an arithmetic number, because the mean of its divisors is an integer number (32893020518).

Almost surely, 2^212213035550 is an apocalyptic number.

212213035550 is a deficient number, since it is larger than the sum of its proper divisors (182503210666).

212213035550 is a wasteful number, since it uses less digits than its factorization.

212213035550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244260723 (or 4244260718 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 212213035550 its reverse (55530312212), we get a palindrome (267743347762).

The spelling of 212213035550 in words is "two hundred twelve billion, two hundred thirteen million, thirty-five thousand, five hundred fifty".