212126841 has 6 divisors (see below), whose sum is σ = 306405450. Its totient is φ = 141417888.

The previous prime is 212126819. The next prime is 212126857. The reversal of 212126841 is 148621212.

212126841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 207965241 + 4161600 = 14421^2 + 2040^2 .

It is not a de Polignac number, because 212126841 - 2¹⁰ = 212125817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212126741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11784816 + ... + 11784833.

It is an arithmetic number, because the mean of its divisors is an integer number (51067575).

Almost surely, 2^212126841 is an apocalyptic number.

It is an amenable number.

212126841 is a deficient number, since it is larger than the sum of its proper divisors (94278609).

212126841 is a wasteful number, since it uses less digits than its factorization.

212126841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23569655 (or 23569652 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 212126841 is about 14564.5748650621. The cubic root of 212126841 is about 596.3920901293.

The spelling of 212126841 in words is "two hundred twelve million, one hundred twenty-six thousand, eight hundred forty-one".