30012120203113 has 4 divisors (see below), whose sum is σ = 30078962342100. Its totient is φ = 29945278064128.

The previous prime is 30012120203089. The next prime is 30012120203161. The reversal of 30012120203113 is 31130202121003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15362417538064 + 14649702665049 = 3919492^2 + 3827493^2 .

It is a cyclic number.

It is not a de Polignac number, because 30012120203113 - 2⁴¹ = 27813096947561 is a prime.

It is a super-2 number, since 2×30012120203113² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30012120203183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33421068820 + ... + 33421069717.

It is an arithmetic number, because the mean of its divisors is an integer number (7519740585525).

Almost surely, 2^{30012120203113} is an apocalyptic number.

It is an amenable number.

30012120203113 is a deficient number, since it is larger than the sum of its proper divisors (66842138987).

30012120203113 is an equidigital number, since it uses as much as digits as its factorization.

30012120203113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66842138986.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30012120203113 its reverse (31130202121003), we get a palindrome (61142322324116).

The spelling of 30012120203113 in words is "thirty trillion, twelve billion, one hundred twenty million, two hundred three thousand, one hundred thirteen".