212280049 has 4 divisors (see below), whose sum is σ = 212382720. Its totient is φ = 212177380.

The previous prime is 212280011. The next prime is 212280077. The reversal of 212280049 is 940082212.

212280049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212280049 - 2¹⁷ = 212148977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212279999 and 212280026.

It is not an unprimeable number, because it can be changed into a prime (212280349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48169 + ... + 52390.

It is an arithmetic number, because the mean of its divisors is an integer number (53095680).

Almost surely, 2^212280049 is an apocalyptic number.

It is an amenable number.

212280049 is a deficient number, since it is larger than the sum of its proper divisors (102671).

212280049 is a wasteful number, since it uses less digits than its factorization.

212280049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102670.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 212280049 is about 14569.8335268458. The cubic root of 212280049 is about 596.5356363994.

It can be divided in two parts, 2122800 and 49, that added together give a square (2122849 = 1457²).

The spelling of 212280049 in words is "two hundred twelve million, two hundred eighty thousand, forty-nine".