30121244212039 has 2 divisors, whose sum is σ = 30121244212040. Its totient is φ = 30121244212038.

The previous prime is 30121244212021. The next prime is 30121244212061. The reversal of 30121244212039 is 93021244212103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30121244212039 - 2¹³ = 30121244203847 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30121244211995 and 30121244212013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30121244212009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060622106019 + 15060622106020.

It is an arithmetic number, because the mean of its divisors is an integer number (15060622106020).

Almost surely, 2^{30121244212039} is an apocalyptic number.

30121244212039 is a deficient number, since it is larger than the sum of its proper divisors (1).

30121244212039 is an equidigital number, since it uses as much as digits as its factorization.

30121244212039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 30121244212039 in words is "thirty trillion, one hundred twenty-one billion, two hundred forty-four million, two hundred twelve thousand, thirty-nine".