212472241 has 8 divisors (see below), whose sum is σ = 225740520. Its totient is φ = 199600128.

The previous prime is 212472223. The next prime is 212472311. The reversal of 212472241 is 142274212.

It can be written as a sum of positive squares in 4 ways, for example, as 114383025 + 98089216 = 10695^2 + 9904^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212472241 - 2¹⁵ = 212439473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212472641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97936 + ... + 100081.

It is an arithmetic number, because the mean of its divisors is an integer number (28217565).

Almost surely, 2^212472241 is an apocalyptic number.

It is an amenable number.

212472241 is a deficient number, since it is larger than the sum of its proper divisors (13268279).

212472241 is a wasteful number, since it uses less digits than its factorization.

212472241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198083.

The product of its digits is 1792, while the sum is 25.

The square root of 212472241 is about 14576.4275801720. The cubic root of 212472241 is about 596.7156105969.

The spelling of 212472241 in words is "two hundred twelve million, four hundred seventy-two thousand, two hundred forty-one".