212532044445 has 24 divisors (see below), whose sum is σ = 421015860096. Its totient is φ = 97157505888.

The previous prime is 212532044443. The next prime is 212532044509. The reversal of 212532044445 is 544440235212.

212532044445 is a `hidden beast` number, since 2 + 1 + 2 + 5 + 3 + 204 + 4 + 445 = 666.

It is not a de Polignac number, because 212532044445 - 2¹ = 212532044443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212532044443) 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, 337352137 + ... + 337352766.

It is an arithmetic number, because the mean of its divisors is an integer number (17542327504).

Almost surely, 2^212532044445 is an apocalyptic number.

It is an amenable number.

212532044445 is a deficient number, since it is larger than the sum of its proper divisors (208483815651).

212532044445 is a wasteful number, since it uses less digits than its factorization.

212532044445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674704921 (or 674704918 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 212532044445 its reverse (544440235212), we get a palindrome (756972279657).

The spelling of 212532044445 in words is "two hundred twelve billion, five hundred thirty-two million, forty-four thousand, four hundred forty-five".