121232002013 has 2 divisors, whose sum is σ = 121232002014. Its totient is φ = 121232002012.

The previous prime is 121232001997. The next prime is 121232002019. The reversal of 121232002013 is 310200232121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77518810084 + 43713191929 = 278422^2 + 209077^2 .

It is a cyclic number.

It is not a de Polignac number, because 121232002013 - 2⁴ = 121232001997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121232001982 and 121232002000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121232002019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60616001006 + 60616001007.

It is an arithmetic number, because the mean of its divisors is an integer number (60616001007).

Almost surely, 2^121232002013 is an apocalyptic number.

It is an amenable number.

121232002013 is a deficient number, since it is larger than the sum of its proper divisors (1).

121232002013 is an equidigital number, since it uses as much as digits as its factorization.

121232002013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 121232002013 its reverse (310200232121), we get a palindrome (431432234134).

The spelling of 121232002013 in words is "one hundred twenty-one billion, two hundred thirty-two million, two thousand, thirteen".