212134120441 has 16 divisors (see below), whose sum is σ = 225573214608. Its totient is φ = 198802944000.

The previous prime is 212134120439. The next prime is 212134120447. The reversal of 212134120441 is 144021431212.

It can be written as a sum of positive squares in 8 ways, for example, as 184041 + 212133936400 = 429^2 + 460580^2 .

It is a cyclic number.

It is not a de Polignac number, because 212134120441 - 2¹ = 212134120439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212134120447) 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, 5964451 + ... + 5999911.

It is an arithmetic number, because the mean of its divisors is an integer number (14098325913).

Almost surely, 2^212134120441 is an apocalyptic number.

It is an amenable number.

212134120441 is a deficient number, since it is larger than the sum of its proper divisors (13439094167).

212134120441 is a wasteful number, since it uses less digits than its factorization.

212134120441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36972.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 212134120441 its reverse (144021431212), we get a palindrome (356155551653).

The spelling of 212134120441 in words is "two hundred twelve billion, one hundred thirty-four million, one hundred twenty thousand, four hundred forty-one".