12121224302 has 8 divisors (see below), whose sum is σ = 19834730712. Its totient is φ = 5509647400.

The previous prime is 12121224289. The next prime is 12121224307. The reversal of 12121224302 is 20342212121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121224307) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 275482349 + ... + 275482392.

It is an arithmetic number, because the mean of its divisors is an integer number (2479341339).

Almost surely, 2^12121224302 is an apocalyptic number.

12121224302 is a deficient number, since it is larger than the sum of its proper divisors (7713506410).

12121224302 is a wasteful number, since it uses less digits than its factorization.

12121224302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550964754.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12121224302 its reverse (20342212121), we get a palindrome (32463436423).

The spelling of 12121224302 in words is "twelve billion, one hundred twenty-one million, two hundred twenty-four thousand, three hundred two".