212436994 has 16 divisors (see below), whose sum is σ = 397285056. Its totient is φ = 82767600.

The previous prime is 212436941. The next prime is 212436997. The reversal of 212436994 is 499634212.

It is not an unprimeable number, because it can be changed into a prime (212436997) 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, 689577 + ... + 689884.

It is an arithmetic number, because the mean of its divisors is an integer number (24830316).

Almost surely, 2^212436994 is an apocalyptic number.

212436994 is a deficient number, since it is larger than the sum of its proper divisors (184848062).

212436994 is a wasteful number, since it uses less digits than its factorization.

212436994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379481.

The product of its digits is 93312, while the sum is 40.

The square root of 212436994 is about 14575.2184889284. The cubic root of 212436994 is about 596.6826124067.

The spelling of 212436994 in words is "two hundred twelve million, four hundred thirty-six thousand, nine hundred ninety-four".