121330202013 has 12 divisors (see below), whose sum is σ = 179991351228. Its totient is φ = 78700671360.

The previous prime is 121330202003. The next prime is 121330202027. The reversal of 121330202013 is 310202033121.

121330202013 is a `hidden beast` number, since 121 + 330 + 202 + 0 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 116894242404 + 4435959609 = 341898^2 + 66603^2 .

It is not a de Polignac number, because 121330202013 - 2¹³ = 121330193821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121330202003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182177148 + ... + 182177813.

It is an arithmetic number, because the mean of its divisors is an integer number (14999279269).

Almost surely, 2^121330202013 is an apocalyptic number.

It is an amenable number.

121330202013 is a deficient number, since it is larger than the sum of its proper divisors (58661149215).

121330202013 is a wasteful number, since it uses less digits than its factorization.

121330202013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364355004 (or 364355001 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 121330202013 its reverse (310202033121), we get a palindrome (431532235134).

The spelling of 121330202013 in words is "one hundred twenty-one billion, three hundred thirty million, two hundred two thousand, thirteen".