4021212422322 has 24 divisors (see below), whose sum is σ = 8724136359276. Its totient is φ = 1338633457056.

The previous prime is 4021212422291. The next prime is 4021212422327. The reversal of 4021212422322 is 2232242121204.

4021212422322 is a `hidden beast` number, since 4 + 0 + 2 + 1 + 212 + 422 + 3 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3960263181681 + 60949240641 = 1990041^2 + 246879^2 .

It is not an unprimeable number, because it can be changed into a prime (4021212422327) 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, 147542973 + ... + 147570224.

Almost surely, 2^{4021212422322} is an apocalyptic number.

4021212422322 is an abundant number, since it is smaller than the sum of its proper divisors (4702923936954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4021212422322 is a wasteful number, since it uses less digits than its factorization.

4021212422322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295113962 (or 295113959 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 4021212422322 its reverse (2232242121204), we get a palindrome (6253454543526).

The spelling of 4021212422322 in words is "four trillion, twenty-one billion, two hundred twelve million, four hundred twenty-two thousand, three hundred twenty-two".