12221234242334 has 32 divisors (see below), whose sum is σ = 21053670996960. Its totient is φ = 5270578808832.

The previous prime is 12221234242297. The next prime is 12221234242369. The reversal of 12221234242334 is 43324243212221.

It is a junction number, because it is equal to n+sod(n) for n = 12221234242294 and 12221234242303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99398459 + ... + 99521334.

It is an arithmetic number, because the mean of its divisors is an integer number (657927218655).

Almost surely, 2^{12221234242334} is an apocalyptic number.

12221234242334 is a deficient number, since it is larger than the sum of its proper divisors (8832436754626).

12221234242334 is a wasteful number, since it uses less digits than its factorization.

12221234242334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198919964.

The product of its digits is 110592, while the sum is 35.

Adding to 12221234242334 its reverse (43324243212221), we get a palindrome (55545477454555).

The spelling of 12221234242334 in words is "twelve trillion, two hundred twenty-one billion, two hundred thirty-four million, two hundred forty-two thousand, three hundred thirty-four".