30121202112179 has 2 divisors, whose sum is σ = 30121202112180. Its totient is φ = 30121202112178.

The previous prime is 30121202112167. The next prime is 30121202112217. The reversal of 30121202112179 is 97121120212103.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30121202112179 is a prime.

It is not a weakly prime, because it can be changed into another prime (30121202112139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060601056089 + 15060601056090.

It is an arithmetic number, because the mean of its divisors is an integer number (15060601056090).

Almost surely, 2^{30121202112179} is an apocalyptic number.

30121202112179 is a deficient number, since it is larger than the sum of its proper divisors (1).

30121202112179 is an equidigital number, since it uses as much as digits as its factorization.

30121202112179 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 30121202112179 in words is "thirty trillion, one hundred twenty-one billion, two hundred two million, one hundred twelve thousand, one hundred seventy-nine".