2012616101 has 4 divisors (see below), whose sum is σ = 2013386604. Its totient is φ = 2011845600.

The previous prime is 2012616071. The next prime is 2012616103. The reversal of 2012616101 is 1016162102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1016162102 = 2 ⋅508081051.

It can be written as a sum of positive squares in 2 ways, for example, as 1413835201 + 598780900 = 37601^2 + 24470^2 .

It is a cyclic number.

It is not a de Polignac number, because 2012616101 - 2²² = 2008421797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012616103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381320 + ... + 386561.

It is an arithmetic number, because the mean of its divisors is an integer number (503346651).

Almost surely, 2^2012616101 is an apocalyptic number.

It is an amenable number.

2012616101 is a deficient number, since it is larger than the sum of its proper divisors (770503).

2012616101 is an equidigital number, since it uses as much as digits as its factorization.

2012616101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770502.

The product of its (nonzero) digits is 144, while the sum is 20.

The square root of 2012616101 is about 44862.1901048087. The cubic root of 2012616101 is about 1262.5647140765.

Adding to 2012616101 its reverse (1016162102), we get a palindrome (3028778203).

The spelling of 2012616101 in words is "two billion, twelve million, six hundred sixteen thousand, one hundred one".