121221323332 has 6 divisors (see below), whose sum is σ = 212137315838. Its totient is φ = 60610661664.

The previous prime is 121221323273. The next prime is 121221323347. The reversal of 121221323332 is 233323122121.

It can be written as a sum of positive squares in only one way, i.e., 68787651076 + 52433672256 = 262274^2 + 228984^2 .

It is a super-2 number, since 2×121221323332² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121221323297 and 121221323306.

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 as a sum of consecutive naturals, namely, 15152665413 + ... + 15152665420.

Almost surely, 2^121221323332 is an apocalyptic number.

It is an amenable number.

121221323332 is a deficient number, since it is larger than the sum of its proper divisors (90915992506).

121221323332 is a wasteful number, since it uses less digits than its factorization.

121221323332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30305330837 (or 30305330835 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

Adding to 121221323332 its reverse (233323122121), we get a palindrome (354544445453).

The spelling of 121221323332 in words is "one hundred twenty-one billion, two hundred twenty-one million, three hundred twenty-three thousand, three hundred thirty-two".