4224412012521 has 8 divisors (see below), whose sum is σ = 5632608858624. Its totient is φ = 2816244920720.

The previous prime is 4224412012439. The next prime is 4224412012543. The reversal of 4224412012521 is 1252102144224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4224412012521 - 2⁷ = 4224412012393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4224412014521) 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, 7105161 + ... + 7676726.

It is an arithmetic number, because the mean of its divisors is an integer number (704076107328).

Almost surely, 2^{4224412012521} is an apocalyptic number.

It is an amenable number.

4224412012521 is a deficient number, since it is larger than the sum of its proper divisors (1408196846103).

4224412012521 is a wasteful number, since it uses less digits than its factorization.

4224412012521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14877151.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 4224412012521 its reverse (1252102144224), we get a palindrome (5476514156745).

The spelling of 4224412012521 in words is "four trillion, two hundred twenty-four billion, four hundred twelve million, twelve thousand, five hundred twenty-one".