121032331331213 has 8 divisors (see below), whose sum is σ = 121093998823800. Its totient is φ = 120970666905088.

The previous prime is 121032331331203. The next prime is 121032331331227. The reversal of 121032331331213 is 312133133230121.

It can be written as a sum of positive squares in 4 ways, for example, as 2885388041449 + 118146943289764 = 1698643^2 + 10869542^2 .

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 121032331331213 - 2²⁰ = 121032330282637 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 (121032331331203) 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, 80377445 + ... + 81869397.

It is an arithmetic number, because the mean of its divisors is an integer number (15136749852975).

Almost surely, 2^{121032331331213} is an apocalyptic number.

It is an amenable number.

121032331331213 is a deficient number, since it is larger than the sum of its proper divisors (61667492587).

121032331331213 is a wasteful number, since it uses less digits than its factorization.

121032331331213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533231.

The product of its (nonzero) digits is 5832, while the sum is 29.

Adding to 121032331331213 its reverse (312133133230121), we get a palindrome (433165464561334).

The spelling of 121032331331213 in words is "one hundred twenty-one trillion, thirty-two billion, three hundred thirty-one million, three hundred thirty-one thousand, two hundred thirteen".