2012011010129 has 2 divisors, whose sum is σ = 2012011010130. Its totient is φ = 2012011010128.

The previous prime is 2012011010063. The next prime is 2012011010147. The reversal of 2012011010129 is 9210101102102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1140299351104 + 871711659025 = 1067848^2 + 933655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012011010129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2012011010129.

It is not a weakly prime, because it can be changed into another prime (2012011010189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006005505064 + 1006005505065.

It is an arithmetic number, because the mean of its divisors is an integer number (1006005505065).

Almost surely, 2^{2012011010129} is an apocalyptic number.

It is an amenable number.

2012011010129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012011010129 is an equidigital number, since it uses as much as digits as its factorization.

2012011010129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 2012011010129 in words is "two trillion, twelve billion, eleven million, ten thousand, one hundred twenty-nine".