212500542441 has 32 divisors (see below), whose sum is σ = 315139258368. Its totient is φ = 126271720640.

The previous prime is 212500542433. The next prime is 212500542473. The reversal of 212500542441 is 144245005212.

It is a cyclic number.

It is not a de Polignac number, because 212500542441 - 2³ = 212500542433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212500542399 and 212500542408.

It is not an unprimeable number, because it can be changed into a prime (212500542481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2559910 + ... + 2641616.

It is an arithmetic number, because the mean of its divisors is an integer number (9848101824).

Almost surely, 2^212500542441 is an apocalyptic number.

It is an amenable number.

212500542441 is a deficient number, since it is larger than the sum of its proper divisors (102638715927).

212500542441 is a wasteful number, since it uses less digits than its factorization.

212500542441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83261.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 212500542441 its reverse (144245005212), we get a palindrome (356745547653).

The spelling of 212500542441 in words is "two hundred twelve billion, five hundred million, five hundred forty-two thousand, four hundred forty-one".