12121224334 has 8 divisors (see below), whose sum is σ = 18604670040. Its totient is φ = 5919667656.

The previous prime is 12121224317. The next prime is 12121224343. The reversal of 12121224334 is 43342212121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12121224299 and 12121224308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70472149 + ... + 70472320.

It is an arithmetic number, because the mean of its divisors is an integer number (2325583755).

Almost surely, 2^12121224334 is an apocalyptic number.

12121224334 is a deficient number, since it is larger than the sum of its proper divisors (6483445706).

12121224334 is a wasteful number, since it uses less digits than its factorization.

12121224334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140944514.

The product of its digits is 2304, while the sum is 25.

Adding to 12121224334 its reverse (43342212121), we get a palindrome (55463436455).

The spelling of 12121224334 in words is "twelve billion, one hundred twenty-one million, two hundred twenty-four thousand, three hundred thirty-four".