121223130122 has 8 divisors (see below), whose sum is σ = 181838246436. Its totient is φ = 60610381312.

The previous prime is 121223130121. The next prime is 121223130179. The reversal of 121223130122 is 221031322121.

It can be written as a sum of positive squares in 2 ways, for example, as 86765004481 + 34458125641 = 294559^2 + 185629^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 121223130094 and 121223130103.

It is not an unprimeable number, because it can be changed into a prime (121223130121) by changing a digit.

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, 457793 + ... + 672324.

Almost surely, 2^121223130122 is an apocalyptic number.

121223130122 is a deficient number, since it is larger than the sum of its proper divisors (60615116314).

121223130122 is a wasteful number, since it uses less digits than its factorization.

121223130122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183752.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 121223130122 its reverse (221031322121), we get a palindrome (342254452243).

The spelling of 121223130122 in words is "one hundred twenty-one billion, two hundred twenty-three million, one hundred thirty thousand, one hundred twenty-two".