12122144021302 has 64 divisors (see below), whose sum is σ = 21293267627520. Its totient is φ = 5068755014400.

The previous prime is 12122144021297. The next prime is 12122144021321. The reversal of 12122144021302 is 20312044122121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54780402 + ... + 55001242.

It is an arithmetic number, because the mean of its divisors is an integer number (332707306680).

Almost surely, 2^{12122144021302} is an apocalyptic number.

12122144021302 is a deficient number, since it is larger than the sum of its proper divisors (9171123606218).

12122144021302 is a wasteful number, since it uses less digits than its factorization.

12122144021302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221477.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 12122144021302 its reverse (20312044122121), we get a palindrome (32434188143423).

The spelling of 12122144021302 in words is "twelve trillion, one hundred twenty-two billion, one hundred forty-four million, twenty-one thousand, three hundred two".