1222120202210 has 16 divisors (see below), whose sum is σ = 2253470422392. Its totient is φ = 476924956800.

The previous prime is 1222120202207. The next prime is 1222120202227. The reversal of 1222120202210 is 122020212221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 430993563001 + 791126639209 = 656501^2 + 889453^2 .

It is a super-2 number, since 2×1222120202210² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 1490390081 + ... + 1490390900.

Almost surely, 2^{1222120202210} is an apocalyptic number.

1222120202210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222120202210 is a deficient number, since it is larger than the sum of its proper divisors (1031350220182).

1222120202210 is a wasteful number, since it uses less digits than its factorization.

1222120202210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980781029.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1222120202210 its reverse (122020212221), we get a palindrome (1344140414431).

The spelling of 1222120202210 in words is "one trillion, two hundred twenty-two billion, one hundred twenty million, two hundred two thousand, two hundred ten".