4223212134220 has 24 divisors (see below), whose sum is σ = 8877500455824. Its totient is φ = 1687617239616.

The previous prime is 4223212134187. The next prime is 4223212134223. The reversal of 4223212134220 is 224312123224.

It is not an unprimeable number, because it can be changed into a prime (4223212134223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104205114 + ... + 104245633.

It is an arithmetic number, because the mean of its divisors is an integer number (369895852326).

Almost surely, 2^{4223212134220} is an apocalyptic number.

It is an amenable number.

4223212134220 is an abundant number, since it is smaller than the sum of its proper divisors (4654288321604).

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

4223212134220 is a wasteful number, since it uses less digits than its factorization.

4223212134220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208451769 (or 208451767 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4223212134220 its reverse (224312123224), we get a palindrome (4447524257444).

The spelling of 4223212134220 in words is "four trillion, two hundred twenty-three billion, two hundred twelve million, one hundred thirty-four thousand, two hundred twenty".