1212100320230 has 64 divisors (see below), whose sum is σ = 2276178444288. Its totient is φ = 464199828480.

The previous prime is 1212100320203. The next prime is 1212100320253. The reversal of 1212100320230 is 320230012121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1212100320199 and 1212100320208.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 118560899 + ... + 118571121.

It is an arithmetic number, because the mean of its divisors is an integer number (35565288192).

Almost surely, 2^{1212100320230} is an apocalyptic number.

1212100320230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1212100320230 is a deficient number, since it is larger than the sum of its proper divisors (1064078124058).

1212100320230 is a wasteful number, since it uses less digits than its factorization.

1212100320230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14301.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 1212100320230 its reverse (320230012121), we get a palindrome (1532330332351).

The spelling of 1212100320230 in words is "one trillion, two hundred twelve billion, one hundred million, three hundred twenty thousand, two hundred thirty".