30012120037 has 2 divisors, whose sum is σ = 30012120038. Its totient is φ = 30012120036.

The previous prime is 30012120031. The next prime is 30012120053. The reversal of 30012120037 is 73002121003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29634245316 + 377874721 = 172146^2 + 19439^2 .

It is a cyclic number.

It is not a de Polignac number, because 30012120037 - 2³ = 30012120029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30012119996 and 30012120023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30012120031) 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, 15006060018 + 15006060019.

It is an arithmetic number, because the mean of its divisors is an integer number (15006060019).

Almost surely, 2^30012120037 is an apocalyptic number.

It is an amenable number.

30012120037 is a deficient number, since it is larger than the sum of its proper divisors (1).

30012120037 is an equidigital number, since it uses as much as digits as its factorization.

30012120037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 19.

The spelling of 30012120037 in words is "thirty billion, twelve million, one hundred twenty thousand, thirty-seven".