2012130145 has 8 divisors (see below), whose sum is σ = 2473448040. Its totient is φ = 1570442880.

The previous prime is 2012130143. The next prime is 2012130151. The reversal of 2012130145 is 5410312102.

It can be written as a sum of positive squares in 4 ways, for example, as 12967201 + 1999162944 = 3601^2 + 44712^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2012130145 - 2¹ = 2012130143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2012130143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4907430 + ... + 4907839.

It is an arithmetic number, because the mean of its divisors is an integer number (309181005).

Almost surely, 2^2012130145 is an apocalyptic number.

It is an amenable number.

2012130145 is a deficient number, since it is larger than the sum of its proper divisors (461317895).

2012130145 is an equidigital number, since it uses as much as digits as its factorization.

2012130145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9815315.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2012130145 is about 44856.7736802370. The cubic root of 2012130145 is about 1262.4630884219.

Adding to 2012130145 its reverse (5410312102), we get a palindrome (7422442247).

The spelling of 2012130145 in words is "two billion, twelve million, one hundred thirty thousand, one hundred forty-five".