12121300342244 has 12 divisors (see below), whose sum is σ = 21212575066368. Its totient is φ = 6060564609000.

The previous prime is 12121300342243. The next prime is 12121300342321. The reversal of 12121300342244 is 44224300312121.

It is not an unprimeable number, because it can be changed into a prime (12121300342241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21071252 + ... + 21638859.

It is an arithmetic number, because the mean of its divisors is an integer number (1767714588864).

Almost surely, 2^{12121300342244} is an apocalyptic number.

It is an amenable number.

12121300342244 is a deficient number, since it is larger than the sum of its proper divisors (9091274724124).

12121300342244 is a wasteful number, since it uses less digits than its factorization.

12121300342244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42781066 (or 42781064 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 12121300342244 its reverse (44224300312121), we get a palindrome (56345600654365).

The spelling of 12121300342244 in words is "twelve trillion, one hundred twenty-one billion, three hundred million, three hundred forty-two thousand, two hundred forty-four".