122222000211210 has 48 divisors (see below), whose sum is σ = 317787367960296. Its totient is φ = 32591490578304.

The previous prime is 122222000211191. The next prime is 122222000211239. The reversal of 122222000211210 is 12112000222221.

It is a happy number.

122222000211210 is a `hidden beast` number, since 1 + 2 + 22 + 220 + 0 + 0 + 211 + 210 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 60845101306929 + 61376898904281 = 7800327^2 + 7834341^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

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 23 ways as a sum of consecutive naturals, for example, 18894669 + ... + 24524528.

Almost surely, 2^{122222000211210} is an apocalyptic number.

122222000211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122222000211210 is an abundant number, since it is smaller than the sum of its proper divisors (195565367749086).

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

122222000211210 is a wasteful number, since it uses less digits than its factorization.

122222000211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43450487 (or 43450484 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 122222000211210 its reverse (12112000222221), we get a palindrome (134334000433431).

The spelling of 122222000211210 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred eleven thousand, two hundred ten".