212222212210 has 32 divisors (see below), whose sum is σ = 384205296384. Its totient is φ = 84399048000.

The previous prime is 212222212183. The next prime is 212222212211. The reversal of 212222212210 is 12212222212.

It is not an unprimeable number, because it can be changed into a prime (212222212211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8804475 + ... + 8828545.

It is an arithmetic number, because the mean of its divisors is an integer number (12006415512).

Almost surely, 2^212222212210 is an apocalyptic number.

212222212210 is a deficient number, since it is larger than the sum of its proper divisors (171983084174).

212222212210 is a wasteful number, since it uses less digits than its factorization.

212222212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29130.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 212222212210 its reverse (12212222212), we get a palindrome (224434434422).

The spelling of 212222212210 in words is "two hundred twelve billion, two hundred twenty-two million, two hundred twelve thousand, two hundred ten".