212110023043 has 4 divisors (see below), whose sum is σ = 224587083240. Its totient is φ = 199632962848.

The previous prime is 212110023029. The next prime is 212110023049. The reversal of 212110023043 is 340320011212.

It is a happy number.

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 212110023043 - 2³³ = 203520088451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212110023043.

It is not an unprimeable number, because it can be changed into a prime (212110023049) 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, 6238530073 + ... + 6238530106.

It is an arithmetic number, because the mean of its divisors is an integer number (56146770810).

Almost surely, 2^212110023043 is an apocalyptic number.

212110023043 is a deficient number, since it is larger than the sum of its proper divisors (12477060197).

212110023043 is a wasteful number, since it uses less digits than its factorization.

212110023043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12477060196.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 212110023043 its reverse (340320011212), we get a palindrome (552430034255).

The spelling of 212110023043 in words is "two hundred twelve billion, one hundred ten million, twenty-three thousand, forty-three".