212055244 has 6 divisors (see below), whose sum is σ = 371096684. Its totient is φ = 106027620.

The previous prime is 212055241. The next prime is 212055271. The reversal of 212055244 is 442550212.

212055244 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212055241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26506902 + ... + 26506909.

Almost surely, 2^212055244 is an apocalyptic number.

It is an amenable number.

212055244 is a deficient number, since it is larger than the sum of its proper divisors (159041440).

212055244 is a wasteful number, since it uses less digits than its factorization.

212055244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53013815 (or 53013813 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 212055244 is about 14562.1167417378. The cubic root of 212055244 is about 596.3249845410.

The spelling of 212055244 in words is "two hundred twelve million, fifty-five thousand, two hundred forty-four".