4021212422430 has 96 divisors (see below), whose sum is σ = 11961863267328. Its totient is φ = 918125208000.

The previous prime is 4021212422429. The next prime is 4021212422471. The reversal of 4021212422430 is 342242121204.

It is a happy number.

4021212422430 is a `hidden beast` number, since 4 + 0 + 21 + 212 + 422 + 4 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4021212422394 and 4021212422403.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 2929296 + ... + 4077155.

It is an arithmetic number, because the mean of its divisors is an integer number (124602742368).

Almost surely, 2^{4021212422430} is an apocalyptic number.

4021212422430 is an abundant number, since it is smaller than the sum of its proper divisors (7940650844898).

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

4021212422430 is a wasteful number, since it uses less digits than its factorization.

4021212422430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007382 (or 7007379 counting only the distinct ones).

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

Adding to 4021212422430 its reverse (342242121204), we get a palindrome (4363454543634).

The spelling of 4021212422430 in words is "four trillion, twenty-one billion, two hundred twelve million, four hundred twenty-two thousand, four hundred thirty".