4022012023421 has 12 divisors (see below), whose sum is σ = 4678700083200. Its totient is φ = 3447414535320.

The previous prime is 4022012023399. The next prime is 4022012023423. The reversal of 4022012023421 is 1243202102204.

4022012023421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4022012023421 - 2¹⁴ = 4022012007037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4022012023423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11900630 + ... + 12233928.

It is an arithmetic number, because the mean of its divisors is an integer number (389891673600).

Almost surely, 2^{4022012023421} is an apocalyptic number.

It is an amenable number.

4022012023421 is a deficient number, since it is larger than the sum of its proper divisors (656688059779).

4022012023421 is a wasteful number, since it uses less digits than its factorization.

4022012023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579584 (or 579577 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 4022012023421 its reverse (1243202102204), we get a palindrome (5265214125625).

The spelling of 4022012023421 in words is "four trillion, twenty-two billion, twelve million, twenty-three thousand, four hundred twenty-one".