12121003133 has 4 divisors (see below), whose sum is σ = 12121980060. Its totient is φ = 12120026208.

The previous prime is 12121003117. The next prime is 12121003157. The reversal of 12121003133 is 33130012121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7650476089 + 4470527044 = 87467^2 + 66862^2 .

It is a cyclic number.

It is not a de Polignac number, because 12121003133 - 2⁴ = 12121003117 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 (12121003163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469610 + ... + 494747.

It is an arithmetic number, because the mean of its divisors is an integer number (3030495015).

Almost surely, 2^12121003133 is an apocalyptic number.

It is an amenable number.

12121003133 is a deficient number, since it is larger than the sum of its proper divisors (976927).

12121003133 is an equidigital number, since it uses as much as digits as its factorization.

12121003133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976926.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12121003133 its reverse (33130012121), we get a palindrome (45251015254).

The spelling of 12121003133 in words is "twelve billion, one hundred twenty-one million, three thousand, one hundred thirty-three".