212200144040441 has 4 divisors (see below), whose sum is σ = 212635873289472. Its totient is φ = 211764414791412.

The previous prime is 212200144040429. The next prime is 212200144040447. The reversal of 212200144040441 is 144040441002212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212200144040441 is a prime.

It is a super-2 number, since 2×212200144040441² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (212200144040447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217864623785 + ... + 217864624758.

It is an arithmetic number, because the mean of its divisors is an integer number (53158968322368).

Almost surely, 2^{212200144040441} is an apocalyptic number.

It is an amenable number.

212200144040441 is a deficient number, since it is larger than the sum of its proper divisors (435729249031).

212200144040441 is an equidigital number, since it uses as much as digits as its factorization.

212200144040441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435729249030.

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 212200144040441 its reverse (144040441002212), we get a palindrome (356240585042653).

The spelling of 212200144040441 in words is "two hundred twelve trillion, two hundred billion, one hundred forty-four million, forty thousand, four hundred forty-one".