30120213031247 has 2 divisors, whose sum is σ = 30120213031248. Its totient is φ = 30120213031246.

The previous prime is 30120213031213. The next prime is 30120213031253. The reversal of 30120213031247 is 74213031202103.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30120213031247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30120213031267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060106515623 + 15060106515624.

It is an arithmetic number, because the mean of its divisors is an integer number (15060106515624).

Almost surely, 2^{30120213031247} is an apocalyptic number.

30120213031247 is a deficient number, since it is larger than the sum of its proper divisors (1).

30120213031247 is an equidigital number, since it uses as much as digits as its factorization.

30120213031247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The spelling of 30120213031247 in words is "thirty trillion, one hundred twenty billion, two hundred thirteen million, thirty-one thousand, two hundred forty-seven".