30012112129 has 2 divisors, whose sum is σ = 30012112130. Its totient is φ = 30012112128.

The previous prime is 30012112121. The next prime is 30012112133. The reversal of 30012112129 is 92121121003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27349552129 + 2662560000 = 165377^2 + 51600^2 .

It is a cyclic number.

It is not a de Polignac number, because 30012112129 - 2³ = 30012112121 is a prime.

It is not a weakly prime, because it can be changed into another prime (30012112121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15006056064 + 15006056065.

It is an arithmetic number, because the mean of its divisors is an integer number (15006056065).

Almost surely, 2^30012112129 is an apocalyptic number.

It is an amenable number.

30012112129 is a deficient number, since it is larger than the sum of its proper divisors (1).

30012112129 is an equidigital number, since it uses as much as digits as its factorization.

30012112129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 22.

The spelling of 30012112129 in words is "thirty billion, twelve million, one hundred twelve thousand, one hundred twenty-nine".