12221123302 has 16 divisors (see below), whose sum is σ = 19479109392. Its totient is φ = 5730645760.

The previous prime is 12221123269. The next prime is 12221123329. The reversal of 12221123302 is 20332112221.

It is a self number, because there is not a number n which added to its sum of digits gives 12221123302.

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 7 ways as a sum of consecutive naturals, for example, 630028 + ... + 649135.

It is an arithmetic number, because the mean of its divisors is an integer number (1217444337).

Almost surely, 2^12221123302 is an apocalyptic number.

12221123302 is a deficient number, since it is larger than the sum of its proper divisors (7257986090).

12221123302 is a wasteful number, since it uses less digits than its factorization.

12221123302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279463.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12221123302 its reverse (20332112221), we get a palindrome (32553235523).

The spelling of 12221123302 in words is "twelve billion, two hundred twenty-one million, one hundred twenty-three thousand, three hundred two".