121213141333 has 8 divisors (see below), whose sum is σ = 121420045656. Its totient is φ = 121006368000.

The previous prime is 121213141279. The next prime is 121213141367. The reversal of 121213141333 is 333141312121.

It can be written as a sum of positive squares in 4 ways, for example, as 27728244324 + 93484897009 = 166518^2 + 305753^2 .

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 121213141333 - 2¹³ = 121213133141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121213141298 and 121213141307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121213141373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1917633 + ... + 1979833.

It is an arithmetic number, because the mean of its divisors is an integer number (15177505707).

Almost surely, 2^121213141333 is an apocalyptic number.

It is an amenable number.

121213141333 is a deficient number, since it is larger than the sum of its proper divisors (206904323).

121213141333 is an equidigital number, since it uses as much as digits as its factorization.

121213141333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65495.

The product of its digits is 1296, while the sum is 25.

Adding to 121213141333 its reverse (333141312121), we get a palindrome (454354453454).

The spelling of 121213141333 in words is "one hundred twenty-one billion, two hundred thirteen million, one hundred forty-one thousand, three hundred thirty-three".