12121333133 has 8 divisors (see below), whose sum is σ = 14918563968. Its totient is φ = 9590505264.

The previous prime is 12121333117. The next prime is 12121333151. The reversal of 12121333133 is 33133312121.

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 12121333133 - 2⁴ = 12121333117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12121333099 and 12121333108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121333633) 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, 66600641 + ... + 66600822.

It is an arithmetic number, because the mean of its divisors is an integer number (1864820496).

Almost surely, 2^12121333133 is an apocalyptic number.

12121333133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12121333133 is a deficient number, since it is larger than the sum of its proper divisors (2797230835).

12121333133 is a wasteful number, since it uses less digits than its factorization.

12121333133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133201483.

The product of its digits is 972, while the sum is 23.

Adding to 12121333133 its reverse (33133312121), we get a palindrome (45254645254).

The spelling of 12121333133 in words is "twelve billion, one hundred twenty-one million, three hundred thirty-three thousand, one hundred thirty-three".