3012240221 has 16 divisors (see below), whose sum is σ = 3233044800. Its totient is φ = 2797920000.

The previous prime is 3012240197. The next prime is 3012240223. The reversal of 3012240221 is 1220422103.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3012240221 is a prime.

It is a super-2 number, since 2×3012240221² = 18147182298020257682, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3012240221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012240223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446171 + ... + 452871.

It is an arithmetic number, because the mean of its divisors is an integer number (202065300).

Almost surely, 2^3012240221 is an apocalyptic number.

It is an amenable number.

3012240221 is a deficient number, since it is larger than the sum of its proper divisors (220804579).

3012240221 is a wasteful number, since it uses less digits than its factorization.

3012240221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7180.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 3012240221 is about 54883.8794273874. The cubic root of 3012240221 is about 1444.2084034876.

Adding to 3012240221 its reverse (1220422103), we get a palindrome (4232662324).

The spelling of 3012240221 in words is "three billion, twelve million, two hundred forty thousand, two hundred twenty-one".