2012561107 has 2 divisors, whose sum is σ = 2012561108. Its totient is φ = 2012561106.

The previous prime is 2012561071. The next prime is 2012561119. The reversal of 2012561107 is 7011652102.

Together with previous prime (2012561071) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2012561107 is a prime.

It is not a weakly prime, because it can be changed into another prime (2012562107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006280553 + 1006280554.

It is an arithmetic number, because the mean of its divisors is an integer number (1006280554).

Almost surely, 2^2012561107 is an apocalyptic number.

2012561107 is a deficient number, since it is larger than the sum of its proper divisors (1).

2012561107 is an equidigital number, since it uses as much as digits as its factorization.

2012561107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 2012561107 is about 44861.5771791407. The cubic root of 2012561107 is about 1262.5532142652.

The spelling of 2012561107 in words is "two billion, twelve million, five hundred sixty-one thousand, one hundred seven".