12121200230 has 32 divisors (see below), whose sum is σ = 22665158208. Its totient is φ = 4663590400.

The previous prime is 12121200227. The next prime is 12121200253. The reversal of 12121200230 is 3200212121.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 179087 + ... + 237306.

It is an arithmetic number, because the mean of its divisors is an integer number (708286194).

Almost surely, 2^12121200230 is an apocalyptic number.

12121200230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12121200230 is a deficient number, since it is larger than the sum of its proper divisors (10543957978).

12121200230 is a wasteful number, since it uses less digits than its factorization.

12121200230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416512.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 12121200230 its reverse (3200212121), we get a palindrome (15321412351).

The spelling of 12121200230 in words is "twelve billion, one hundred twenty-one million, two hundred thousand, two hundred thirty".