4202001230421 has 16 divisors (see below), whose sum is σ = 5733138438720. Its totient is φ = 2736103077120.

The previous prime is 4202001230407. The next prime is 4202001230431. The reversal of 4202001230421 is 1240321002024.

It is not a de Polignac number, because 4202001230421 - 2¹³ = 4202001222229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4202001230431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3879631 + ... + 4843091.

It is an arithmetic number, because the mean of its divisors is an integer number (358321152420).

Almost surely, 2^{4202001230421} is an apocalyptic number.

It is an amenable number.

4202001230421 is a deficient number, since it is larger than the sum of its proper divisors (1531137208299).

4202001230421 is a wasteful number, since it uses less digits than its factorization.

4202001230421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997316.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 4202001230421 its reverse (1240321002024), we get a palindrome (5442322232445).

The spelling of 4202001230421 in words is "four trillion, two hundred two billion, one million, two hundred thirty thousand, four hundred twenty-one".