212144144411 has 4 divisors (see below), whose sum is σ = 212145378312. Its totient is φ = 212142910512.

The previous prime is 212144144369. The next prime is 212144144437. The reversal of 212144144411 is 114441441212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212144144411 - 2³⁴ = 194964275227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212144141411) 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, 307226 + ... + 720191.

It is an arithmetic number, because the mean of its divisors is an integer number (53036344578).

Almost surely, 2^212144144411 is an apocalyptic number.

212144144411 is a deficient number, since it is larger than the sum of its proper divisors (1233901).

212144144411 is a wasteful number, since it uses less digits than its factorization.

212144144411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233900.

The product of its digits is 4096, while the sum is 29.

Adding to 212144144411 its reverse (114441441212), we get a palindrome (326585585623).

The spelling of 212144144411 in words is "two hundred twelve billion, one hundred forty-four million, one hundred forty-four thousand, four hundred eleven".