121223330 has 32 divisors (see below), whose sum is σ = 226050048. Its totient is φ = 46756800.

The previous prime is 121223279. The next prime is 121223351. The reversal of 121223330 is 33322121.

It is a junction number, because it is equal to n+sod(n) for n = 121223299 and 121223308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118220 + ... + 119240.

It is an arithmetic number, because the mean of its divisors is an integer number (7064064).

Almost surely, 2^121223330 is an apocalyptic number.

121223330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121223330 is a deficient number, since it is larger than the sum of its proper divisors (104826718).

121223330 is a wasteful number, since it uses less digits than its factorization.

121223330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1442.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 121223330 is about 11010.1466838549. The cubic root of 121223330 is about 494.9128574960.

Adding to 121223330 its reverse (33322121), we get a palindrome (154545451).

It can be divided in two parts, 1212 and 23330, that added together give a palindrome (24542).

The spelling of 121223330 in words is "one hundred twenty-one million, two hundred twenty-three thousand, three hundred thirty".