4243211220012 has 24 divisors (see below), whose sum is σ = 9903622332912. Its totient is φ = 1414004289600.

The previous prime is 4243211219969. The next prime is 4243211220013. The reversal of 4243211220012 is 2100221123424.

It is not an unprimeable number, because it can be changed into a prime (4243211220013) 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, 49887039 + ... + 49972022.

It is an arithmetic number, because the mean of its divisors is an integer number (412650930538).

Almost surely, 2^{4243211220012} is an apocalyptic number.

It is an amenable number.

4243211220012 is an abundant number, since it is smaller than the sum of its proper divisors (5660411112900).

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

4243211220012 is a wasteful number, since it uses less digits than its factorization.

4243211220012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99862609 (or 99862607 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 4243211220012 its reverse (2100221123424), we get a palindrome (6343432343436).

The spelling of 4243211220012 in words is "four trillion, two hundred forty-three billion, two hundred eleven million, two hundred twenty thousand, twelve".