12121222133 has 8 divisors (see below), whose sum is σ = 12552986880. Its totient is φ = 11690376880.

The previous prime is 12121222117. The next prime is 12121222151. The reversal of 12121222133 is 33122212121.

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

It is a cyclic number.

It is not a de Polignac number, because 12121222133 - 2⁴ = 12121222117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121222153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202985 + ... + 255822.

It is an arithmetic number, because the mean of its divisors is an integer number (1569123360).

Almost surely, 2^12121222133 is an apocalyptic number.

It is an amenable number.

12121222133 is a deficient number, since it is larger than the sum of its proper divisors (431764747).

12121222133 is an equidigital number, since it uses as much as digits as its factorization.

12121222133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 459747.

The product of its digits is 288, while the sum is 20.

Adding to 12121222133 its reverse (33122212121), we get a palindrome (45243434254).

The spelling of 12121222133 in words is "twelve billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred thirty-three".