4212471021 has 32 divisors (see below), whose sum is σ = 6625732608. Its totient is φ = 2351696640.

The previous prime is 4212471017. The next prime is 4212471023. The reversal of 4212471021 is 1201742124.

4212471021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4212471021 - 2² = 4212471017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4212470982 and 4212471000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212471023) 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 in 31 ways as a sum of consecutive naturals, for example, 53515 + ... + 106248.

It is an arithmetic number, because the mean of its divisors is an integer number (207054144).

Almost surely, 2^4212471021 is an apocalyptic number.

It is an amenable number.

4212471021 is a deficient number, since it is larger than the sum of its proper divisors (2413261587).

4212471021 is a wasteful number, since it uses less digits than its factorization.

4212471021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159841.

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 4212471021 is about 64903.5516824773. The cubic root of 4212471021 is about 1615.0239809594.

The spelling of 4212471021 in words is "four billion, two hundred twelve million, four hundred seventy-one thousand, twenty-one".