120121302013 has 2 divisors, whose sum is σ = 120121302014. Its totient is φ = 120121302012.

The previous prime is 120121301957. The next prime is 120121302017. The reversal of 120121302013 is 310203121021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119686245849 + 435056164 = 345957^2 + 20858^2 .

It is a cyclic number.

It is not a de Polignac number, because 120121302013 - 2³³ = 111531367421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120121302017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60060651006 + 60060651007.

It is an arithmetic number, because the mean of its divisors is an integer number (60060651007).

Almost surely, 2^120121302013 is an apocalyptic number.

It is an amenable number.

120121302013 is a deficient number, since it is larger than the sum of its proper divisors (1).

120121302013 is an equidigital number, since it uses as much as digits as its factorization.

120121302013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 120121302013 its reverse (310203121021), we get a palindrome (430324423034).

The spelling of 120121302013 in words is "one hundred twenty billion, one hundred twenty-one million, three hundred two thousand, thirteen".