4021420311232 has 28 divisors (see below), whose sum is σ = 7981268793336. Its totient is φ = 2010391953920.

The previous prime is 4021420311221. The next prime is 4021420311281. The reversal of 4021420311232 is 2321130241204.

It is a junction number, because it is equal to n+sod(n) for n = 4021420311197 and 4021420311206.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 4564069 + ... + 5373412.

Almost surely, 2^{4021420311232} is an apocalyptic number.

It is an amenable number.

4021420311232 is a deficient number, since it is larger than the sum of its proper divisors (3959848482104).

4021420311232 is an equidigital number, since it uses as much as digits as its factorization.

4021420311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9943816 (or 9943806 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 4021420311232 its reverse (2321130241204), we get a palindrome (6342550552436).

The spelling of 4021420311232 in words is "four trillion, twenty-one billion, four hundred twenty million, three hundred eleven thousand, two hundred thirty-two".