1212223022330 has 32 divisors (see below), whose sum is σ = 2186412467904. Its totient is φ = 483909687936.

The previous prime is 1212223022321. The next prime is 1212223022347. The reversal of 1212223022330 is 332203222121.

It is a junction number, because it is equal to n+sod(n) for n = 1212223022296 and 1212223022305.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14122502 + ... + 14208078.

It is an arithmetic number, because the mean of its divisors is an integer number (68325389622).

Almost surely, 2^{1212223022330} is an apocalyptic number.

1212223022330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212223022330 is a deficient number, since it is larger than the sum of its proper divisors (974189445574).

1212223022330 is a wasteful number, since it uses less digits than its factorization.

1212223022330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88430.

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

Adding to 1212223022330 its reverse (332203222121), we get a palindrome (1544426244451).

The spelling of 1212223022330 in words is "one trillion, two hundred twelve billion, two hundred twenty-three million, twenty-two thousand, three hundred thirty".