121332133253 has 8 divisors (see below), whose sum is σ = 128874589272. Its totient is φ = 113834707456.

The previous prime is 121332133213. The next prime is 121332133267. The reversal of 121332133253 is 352331233121.

It can be written as a sum of positive squares in 4 ways, for example, as 17930013409 + 103402119844 = 133903^2 + 321562^2 .

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 121332133253 - 2⁶ = 121332133189 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 (121332133213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11252000 + ... + 11262777.

It is an arithmetic number, because the mean of its divisors is an integer number (16109323659).

Almost surely, 2^121332133253 is an apocalyptic number.

It is an amenable number.

121332133253 is a deficient number, since it is larger than the sum of its proper divisors (7542456019).

121332133253 is a wasteful number, since it uses less digits than its factorization.

121332133253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22515111.

The product of its digits is 9720, while the sum is 29.

Adding to 121332133253 its reverse (352331233121), we get a palindrome (473663366374).

The spelling of 121332133253 in words is "one hundred twenty-one billion, three hundred thirty-two million, one hundred thirty-three thousand, two hundred fifty-three".