121223222330 has 64 divisors (see below), whose sum is σ = 255069285120. Its totient is φ = 40619065344.

The previous prime is 121223222321. The next prime is 121223222357. The reversal of 121223222330 is 33222322121.

It is a super-2 number, since 2×121223222330² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121223222296 and 121223222305.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 889901 + ... + 1017039.

It is an arithmetic number, because the mean of its divisors is an integer number (3985457580).

Almost surely, 2^121223222330 is an apocalyptic number.

121223222330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121223222330 is an abundant number, since it is smaller than the sum of its proper divisors (133846062790).

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

121223222330 is a wasteful number, since it uses less digits than its factorization.

121223222330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127463.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 121223222330 its reverse (33222322121), we get a palindrome (154445544451).

The spelling of 121223222330 in words is "one hundred twenty-one billion, two hundred twenty-three million, two hundred twenty-two thousand, three hundred thirty".