4243221213003 has 24 divisors (see below), whose sum is σ = 6153538403376. Its totient is φ = 2817542246400.

The previous prime is 4243221212963. The next prime is 4243221213019. The reversal of 4243221213003 is 3003121223424.

4243221213003 is a `hidden beast` number, since 4 + 2 + 432 + 212 + 13 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 4243221213003 - 2²¹ = 4243219115851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4243221213053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5578123 + ... + 6293003.

It is an arithmetic number, because the mean of its divisors is an integer number (256397433474).

Almost surely, 2^{4243221213003} is an apocalyptic number.

4243221213003 is a deficient number, since it is larger than the sum of its proper divisors (1910317190373).

4243221213003 is a wasteful number, since it uses less digits than its factorization.

4243221213003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717515 (or 717512 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 4243221213003 its reverse (3003121223424), we get a palindrome (7246342436427).

The spelling of 4243221213003 in words is "four trillion, two hundred forty-three billion, two hundred twenty-one million, two hundred thirteen thousand, three".