12421120321234 has 16 divisors (see below), whose sum is σ = 19004059555200. Its totient is φ = 6086691061360.

The previous prime is 12421120321223. The next prime is 12421120321243. The reversal of 12421120321234 is 43212302112421.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64217584 + ... + 64410715.

It is an arithmetic number, because the mean of its divisors is an integer number (1187753722200).

Almost surely, 2^{12421120321234} is an apocalyptic number.

12421120321234 is a deficient number, since it is larger than the sum of its proper divisors (6582939233966).

12421120321234 is a wasteful number, since it uses less digits than its factorization.

12421120321234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128629265.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 12421120321234 its reverse (43212302112421), we get a palindrome (55633422433655).

The spelling of 12421120321234 in words is "twelve trillion, four hundred twenty-one billion, one hundred twenty million, three hundred twenty-one thousand, two hundred thirty-four".