4421214121245 has 16 divisors (see below), whose sum is σ = 7159170820032. Its totient is φ = 2329571456000.

The previous prime is 4421214121243. The next prime is 4421214121297. The reversal of 4421214121245 is 5421214121244.

It is a happy number.

It is not a de Polignac number, because 4421214121245 - 2¹ = 4421214121243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421214121241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1775586756 + ... + 1775589245.

It is an arithmetic number, because the mean of its divisors is an integer number (447448176252).

Almost surely, 2^{4421214121245} is an apocalyptic number.

It is an amenable number.

4421214121245 is a deficient number, since it is larger than the sum of its proper divisors (2737956698787).

4421214121245 is a wasteful number, since it uses less digits than its factorization.

4421214121245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3551176092.

The product of its digits is 20480, while the sum is 33.

Adding to 4421214121245 its reverse (5421214121244), we get a palindrome (9842428242489).

Subtracting 4421214121245 from its reverse (5421214121244), we obtain a palindrome (999999999999).

The spelling of 4421214121245 in words is "four trillion, four hundred twenty-one billion, two hundred fourteen million, one hundred twenty-one thousand, two hundred forty-five".