4033721212 has 6 divisors (see below), whose sum is σ = 7059012128. Its totient is φ = 2016860604.

The previous prime is 4033721183. The next prime is 4033721213. The reversal of 4033721212 is 2121273304.

It is a happy number.

It is a super-2 number, since 2×4033721212² = 32541813632277497888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4033721213) 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 as a sum of consecutive naturals, namely, 504215148 + ... + 504215155.

Almost surely, 2^4033721212 is an apocalyptic number.

It is an amenable number.

4033721212 is a deficient number, since it is larger than the sum of its proper divisors (3025290916).

4033721212 is a wasteful number, since it uses less digits than its factorization.

4033721212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008430307 (or 1008430305 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 4033721212 is about 63511.5832899795. The cubic root of 4033721212 is about 1591.8493324538.

Adding to 4033721212 its reverse (2121273304), we get a palindrome (6154994516).

The spelling of 4033721212 in words is "four billion, thirty-three million, seven hundred twenty-one thousand, two hundred twelve".