122212101121210 has 32 divisors (see below), whose sum is σ = 227621174144400. Its totient is φ = 47187994990080.

The previous prime is 122212101121171. The next prime is 122212101121259. The reversal of 122212101121210 is 12121101212221.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 101156585021569 + 21055516099641 = 10057663^2 + 4588629^2 .

It is a super-2 number, since 2×122212101121210² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48598731 + ... + 51051550.

Almost surely, 2^{122212101121210} is an apocalyptic number.

122212101121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122212101121210 is a deficient number, since it is larger than the sum of its proper divisors (105409073023190).

122212101121210 is a wasteful number, since it uses less digits than its factorization.

122212101121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99654546.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 122212101121210 its reverse (12121101212221), we get a palindrome (134333202333431).

The spelling of 122212101121210 in words is "one hundred twenty-two trillion, two hundred twelve billion, one hundred one million, one hundred twenty-one thousand, two hundred ten".