212479844 has 6 divisors (see below), whose sum is σ = 371839734. Its totient is φ = 106239920.

The previous prime is 212479837. The next prime is 212479849. The reversal of 212479844 is 448974212.

212479844 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., 118156900 + 94322944 = 10870^2 + 9712^2 .

It is not an unprimeable number, because it can be changed into a prime (212479849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26559977 + ... + 26559984.

It is an arithmetic number, because the mean of its divisors is an integer number (61973289).

Almost surely, 2^212479844 is an apocalyptic number.

It is an amenable number.

212479844 is a deficient number, since it is larger than the sum of its proper divisors (159359890).

212479844 is a wasteful number, since it uses less digits than its factorization.

212479844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53119965 (or 53119963 counting only the distinct ones).

The product of its digits is 129024, while the sum is 41.

The square root of 212479844 is about 14576.6883756222. The cubic root of 212479844 is about 596.7227280360.

The spelling of 212479844 in words is "two hundred twelve million, four hundred seventy-nine thousand, eight hundred forty-four".