4021443212 has 6 divisors (see below), whose sum is σ = 7037525628. Its totient is φ = 2010721604.

The previous prime is 4021443197. The next prime is 4021443227. The reversal of 4021443212 is 2123441204.

It is an interprime number because it is at equal distance from previous prime (4021443197) and next prime (4021443227).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502680398 + ... + 502680405.

It is an arithmetic number, because the mean of its divisors is an integer number (1172920938).

Almost surely, 2^4021443212 is an apocalyptic number.

It is an amenable number.

4021443212 is a deficient number, since it is larger than the sum of its proper divisors (3016082416).

4021443212 is a wasteful number, since it uses less digits than its factorization.

4021443212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005360807 (or 1005360805 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 4021443212 is about 63414.8500904954. The cubic root of 4021443212 is about 1590.2325796662.

Adding to 4021443212 its reverse (2123441204), we get a palindrome (6144884416).

The spelling of 4021443212 in words is "four billion, twenty-one million, four hundred forty-three thousand, two hundred twelve".