212144240043 has 24 divisors (see below), whose sum is σ = 309713976000. Its totient is φ = 139917662064.

The previous prime is 212144239987. The next prime is 212144240051. The reversal of 212144240043 is 340042441212.

212144240043 is a `hidden beast` number, since 2 + 1 + 214 + 4 + 2 + 400 + 43 = 666.

It is not a de Polignac number, because 212144240043 - 2¹⁶ = 212144174507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212144239989 and 212144240016.

It is not an unprimeable number, because it can be changed into a prime (212144240093) 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, 562608 + ... + 860706.

It is an arithmetic number, because the mean of its divisors is an integer number (12904749000).

Almost surely, 2^212144240043 is an apocalyptic number.

212144240043 is a deficient number, since it is larger than the sum of its proper divisors (97569735957).

212144240043 is a wasteful number, since it uses less digits than its factorization.

212144240043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298951 (or 298948 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 212144240043 its reverse (340042441212), we get a palindrome (552186681255).

The spelling of 212144240043 in words is "two hundred twelve billion, one hundred forty-four million, two hundred forty thousand, forty-three".