2012045071 has 4 divisors (see below), whose sum is σ = 2117942200. Its totient is φ = 1906147944.

The previous prime is 2012045069. The next prime is 2012045093. The reversal of 2012045071 is 1705402102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2012045071 - 2¹ = 2012045069 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 (2012045011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52948536 + ... + 52948573.

It is an arithmetic number, because the mean of its divisors is an integer number (529485550).

Almost surely, 2^2012045071 is an apocalyptic number.

2012045071 is a deficient number, since it is larger than the sum of its proper divisors (105897129).

2012045071 is a wasteful number, since it uses less digits than its factorization.

2012045071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105897128.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 2012045071 is about 44855.8253853387. The cubic root of 2012045071 is about 1262.4452956201.

Adding to 2012045071 its reverse (1705402102), we get a palindrome (3717447173).

The spelling of 2012045071 in words is "two billion, twelve million, forty-five thousand, seventy-one".