121313322 has 128 divisors (see below), whose sum is σ = 308448000. Its totient is φ = 35078400.

The previous prime is 121313317. The next prime is 121313359. The reversal of 121313322 is 223313121.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 121313295 and 121313304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1201072 + ... + 1201172.

It is an arithmetic number, because the mean of its divisors is an integer number (2409750).

Almost surely, 2^121313322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121313322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154224000).

121313322 is an abundant number, since it is smaller than the sum of its proper divisors (187134678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121313322 is a wasteful number, since it uses less digits than its factorization.

121313322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 207 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 121313322 is about 11014.2327013733. The cubic root of 121313322 is about 495.0352959221.

Adding to 121313322 its reverse (223313121), we get a palindrome (344626443).

It can be divided in two parts, 1213 and 13322, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 121313322 in words is "one hundred twenty-one million, three hundred thirteen thousand, three hundred twenty-two".