212431411044 has 18 divisors (see below), whose sum is σ = 536979400230. Its totient is φ = 70810470336.

The previous prime is 212431411013. The next prime is 212431411097. The reversal of 212431411044 is 440114134212.

212431411044 is a `hidden beast` number, since 2 + 1 + 243 + 1 + 411 + 0 + 4 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 115267040100 + 97164370944 = 339510^2 + 311712^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 212431410999 and 212431411017.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2950436229 + ... + 2950436300.

Almost surely, 2^212431411044 is an apocalyptic number.

It is an amenable number.

212431411044 is an abundant number, since it is smaller than the sum of its proper divisors (324547989186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212431411044 is a wasteful number, since it uses less digits than its factorization.

212431411044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900872539 (or 5900872534 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 212431411044 its reverse (440114134212), we get a palindrome (652545545256).

The spelling of 212431411044 in words is "two hundred twelve billion, four hundred thirty-one million, four hundred eleven thousand, forty-four".