4005162212 has 6 divisors (see below), whose sum is σ = 7009033878. Its totient is φ = 2002581104.

The previous prime is 4005162173. The next prime is 4005162221. The reversal of 4005162212 is 2122615004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2522450176 + 1482712036 = 50224^2 + 38506^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500645273 + ... + 500645280.

It is an arithmetic number, because the mean of its divisors is an integer number (1168172313).

Almost surely, 2^4005162212 is an apocalyptic number.

It is an amenable number.

4005162212 is a deficient number, since it is larger than the sum of its proper divisors (3003871666).

4005162212 is a wasteful number, since it uses less digits than its factorization.

4005162212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001290557 (or 1001290555 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 4005162212 is about 63286.3509139214. The cubic root of 4005162212 is about 1588.0836334798.

Adding to 4005162212 its reverse (2122615004), we get a palindrome (6127777216).

The spelling of 4005162212 in words is "four billion, five million, one hundred sixty-two thousand, two hundred twelve".