2012030129 has 2 divisors, whose sum is σ = 2012030130. Its totient is φ = 2012030128.

The previous prime is 2012030123. The next prime is 2012030159. The reversal of 2012030129 is 9210302102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1982653729 + 29376400 = 44527^2 + 5420^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012030129 - 2¹⁶ = 2011964593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012030129.

It is not a weakly prime, because it can be changed into another prime (2012030123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006015064 + 1006015065.

It is an arithmetic number, because the mean of its divisors is an integer number (1006015065).

Almost surely, 2^2012030129 is an apocalyptic number.

It is an amenable number.

2012030129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012030129 is an equidigital number, since it uses as much as digits as its factorization.

2012030129 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 20.

The square root of 2012030129 is about 44855.6588291823. The cubic root of 2012030129 is about 1262.4421705237.

The spelling of 2012030129 in words is "two billion, twelve million, thirty thousand, one hundred twenty-nine".