212048290 has 16 divisors (see below), whose sum is σ = 394849080. Its totient is φ = 81894400.

The previous prime is 212048267. The next prime is 212048297. The reversal of 212048290 is 92840212.

It can be written as a sum of positive squares in 4 ways, for example, as 140493609 + 71554681 = 11853^2 + 8459^2 .

It is not an unprimeable number, because it can be changed into a prime (212048297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365311 + ... + 365890.

Almost surely, 2^212048290 is an apocalyptic number.

212048290 is a deficient number, since it is larger than the sum of its proper divisors (182800790).

212048290 is a wasteful number, since it uses less digits than its factorization.

212048290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731237.

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

The square root of 212048290 is about 14561.8779695477. The cubic root of 212048290 is about 596.3184659735.

The spelling of 212048290 in words is "two hundred twelve million, forty-eight thousand, two hundred ninety".