121213323132133 has 16 divisors (see below), whose sum is σ = 127289215368000. Its totient is φ = 115264513913472.

The previous prime is 121213323132131. The next prime is 121213323132169. The reversal of 121213323132133 is 331231323312121.

It is a cyclic number.

It is not a de Polignac number, because 121213323132133 - 2¹ = 121213323132131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121213323132095 and 121213323132104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121213323132131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4039953 + ... + 16085641.

It is an arithmetic number, because the mean of its divisors is an integer number (7955575960500).

Almost surely, 2^{121213323132133} is an apocalyptic number.

It is an amenable number.

121213323132133 is a deficient number, since it is larger than the sum of its proper divisors (6075892235867).

121213323132133 is a wasteful number, since it uses less digits than its factorization.

121213323132133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12050964.

The product of its digits is 11664, while the sum is 31.

Adding to 121213323132133 its reverse (331231323312121), we get a palindrome (452444646444254).

The spelling of 121213323132133 in words is "one hundred twenty-one trillion, two hundred thirteen billion, three hundred twenty-three million, one hundred thirty-two thousand, one hundred thirty-three".