212550011444 has 6 divisors (see below), whose sum is σ = 371962520034. Its totient is φ = 106275005720.

The previous prime is 212550011417. The next prime is 212550011483. The reversal of 212550011444 is 444110055212.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 184848403600 + 27701607844 = 429940^2 + 166438^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26568751427 + ... + 26568751434.

It is an arithmetic number, because the mean of its divisors is an integer number (61993753339).

Almost surely, 2^212550011444 is an apocalyptic number.

It is an amenable number.

212550011444 is a deficient number, since it is larger than the sum of its proper divisors (159412508590).

212550011444 is a wasteful number, since it uses less digits than its factorization.

212550011444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53137502865 (or 53137502863 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 212550011444 its reverse (444110055212), we get a palindrome (656660066656).

The spelling of 212550011444 in words is "two hundred twelve billion, five hundred fifty million, eleven thousand, four hundred forty-four".