1221222230122 has 8 divisors (see below), whose sum is σ = 1832002070400. Its totient is φ = 610554873324.

The previous prime is 1221222230119. The next prime is 1221222230131. The reversal of 1221222230122 is 2210322221221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1221222230122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1221222230093 and 1221222230102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28093722 + ... + 28137157.

It is an arithmetic number, because the mean of its divisors is an integer number (229000258800).

Almost surely, 2^{1221222230122} is an apocalyptic number.

1221222230122 is a deficient number, since it is larger than the sum of its proper divisors (610779840278).

1221222230122 is a wasteful number, since it uses less digits than its factorization.

1221222230122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56241740.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1221222230122 its reverse (2210322221221), we get a palindrome (3431544451343).

The spelling of 1221222230122 in words is "one trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred thirty thousand, one hundred twenty-two".