4021223202052 has 12 divisors (see below), whose sum is σ = 8042446404160. Its totient is φ = 1723381372296.

The previous prime is 4021223202019. The next prime is 4021223202077. The reversal of 4021223202052 is 2502023221204.

4021223202052 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 71807557152 + ... + 71807557207.

Almost surely, 2^{4021223202052} is an apocalyptic number.

It is an amenable number.

4021223202052 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4021223202052 is a wasteful number, since it uses less digits than its factorization.

4021223202052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143615114370 (or 143615114368 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 4021223202052 its reverse (2502023221204), we get a palindrome (6523246423256).

The spelling of 4021223202052 in words is "four trillion, twenty-one billion, two hundred twenty-three million, two hundred two thousand, fifty-two".