121211132230 has 64 divisors (see below), whose sum is σ = 225000322560. Its totient is φ = 46996704000.

The previous prime is 121211132179. The next prime is 121211132257. The reversal of 121211132230 is 32231112121.

It is a junction number, because it is equal to n+sod(n) for n = 121211132198 and 121211132207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12200365 + ... + 12210295.

It is an arithmetic number, because the mean of its divisors is an integer number (3515630040).

Almost surely, 2^121211132230 is an apocalyptic number.

121211132230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121211132230 is a deficient number, since it is larger than the sum of its proper divisors (103789190330).

121211132230 is a wasteful number, since it uses less digits than its factorization.

121211132230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10285.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121211132230 its reverse (32231112121), we get a palindrome (153442244351).

The spelling of 121211132230 in words is "one hundred twenty-one billion, two hundred eleven million, one hundred thirty-two thousand, two hundred thirty".