4211232215445 has 128 divisors (see below), whose sum is σ = 8209724129280. Its totient is φ = 2039754286080.

The previous prime is 4211232215413. The next prime is 4211232215453. The reversal of 4211232215445 is 5445122321124.

4211232215445 is a `hidden beast` number, since 421 + 1 + 2 + 3 + 221 + 5 + 4 + 4 + 5 = 666.

It is not a de Polignac number, because 4211232215445 - 2⁵ = 4211232215413 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 7383474 + ... + 7933356.

It is an arithmetic number, because the mean of its divisors is an integer number (64138469760).

Almost surely, 2^{4211232215445} is an apocalyptic number.

4211232215445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4211232215445 is a deficient number, since it is larger than the sum of its proper divisors (3998491913835).

4211232215445 is a wasteful number, since it uses less digits than its factorization.

4211232215445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550032 (or 550026 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

Adding to 4211232215445 its reverse (5445122321124), we get a palindrome (9656354536569).

The spelling of 4211232215445 in words is "four trillion, two hundred eleven billion, two hundred thirty-two million, two hundred fifteen thousand, four hundred forty-five".