3012210021 has 8 divisors (see below), whose sum is σ = 4064669280. Its totient is φ = 1983945392.

The previous prime is 3012209929. The next prime is 3012210029. The reversal of 3012210021 is 1200122103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3012210021 - 2⁹ = 3012209509 is a prime.

It is a super-2 number, since 2×3012210021² = 18146818421225640882, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3012209979 and 3012210006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3012210029) 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 7 ways as a sum of consecutive naturals, for example, 6048366 + ... + 6048863.

It is an arithmetic number, because the mean of its divisors is an integer number (508083660).

Almost surely, 2^3012210021 is an apocalyptic number.

It is an amenable number.

3012210021 is a deficient number, since it is larger than the sum of its proper divisors (1052459259).

3012210021 is a wasteful number, since it uses less digits than its factorization.

3012210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12097315.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 3012210021 is about 54883.6043003737. The cubic root of 3012210021 is about 1444.2035770421.

Adding to 3012210021 its reverse (1200122103), we get a palindrome (4212332124).

The spelling of 3012210021 in words is "three billion, twelve million, two hundred ten thousand, twenty-one".