122212122112210 has 32 divisors (see below), whose sum is σ = 236954195659440. Its totient is φ = 45114819207168.

The previous prime is 122212122112141. The next prime is 122212122112253. The reversal of 122212122112210 is 12211221212221.

It can be written as a sum of positive squares in 8 ways, for example, as 92697555993849 + 29514566118361 = 9627957^2 + 5432731^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99980275 + ... + 101195254.

Almost surely, 2^{122212122112210} is an apocalyptic number.

122212122112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122212122112210 is a deficient number, since it is larger than the sum of its proper divisors (114742073547230).

122212122112210 is a wasteful number, since it uses less digits than its factorization.

122212122112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201180222.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 122212122112210 its reverse (12211221212221), we get a palindrome (134423343324431).

The spelling of 122212122112210 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twelve thousand, two hundred ten".