212103400041 has 16 divisors (see below), whose sum is σ = 338398587520. Its totient is φ = 130525169040.

The previous prime is 212103400037. The next prime is 212103400043. The reversal of 212103400041 is 140004301212.

212103400041 is a `hidden beast` number, since 212 + 10 + 3 + 400 + 0 + 41 = 666.

It is not a de Polignac number, because 212103400041 - 2² = 212103400037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212103399987 and 212103400023.

It is not an unprimeable number, because it can be changed into a prime (212103400043) 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, 302141245 + ... + 302141946.

It is an arithmetic number, because the mean of its divisors is an integer number (21149911720).

Almost surely, 2^212103400041 is an apocalyptic number.

It is an amenable number.

212103400041 is a deficient number, since it is larger than the sum of its proper divisors (126295187479).

212103400041 is a wasteful number, since it uses less digits than its factorization.

212103400041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604283213 (or 604283207 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212103400041 its reverse (140004301212), we get a palindrome (352107701253).

The spelling of 212103400041 in words is "two hundred twelve billion, one hundred three million, four hundred thousand, forty-one".