4021210021012 has 12 divisors (see below), whose sum is σ = 7037184462336. Its totient is φ = 2010585888920.

The previous prime is 4021210020967. The next prime is 4021210021079. The reversal of 4021210021012 is 2101200121204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4301908 + ... + 5152555.

It is an arithmetic number, because the mean of its divisors is an integer number (586432038528).

Almost surely, 2^{4021210021012} is an apocalyptic number.

It is an amenable number.

4021210021012 is a deficient number, since it is larger than the sum of its proper divisors (3015974441324).

4021210021012 is a wasteful number, since it uses less digits than its factorization.

4021210021012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9560798 (or 9560796 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 4021210021012 its reverse (2101200121204), we get a palindrome (6122410142216).

The spelling of 4021210021012 in words is "four trillion, twenty-one billion, two hundred ten million, twenty-one thousand, twelve".