212927452 has 24 divisors (see below), whose sum is σ = 402841040. Its totient is φ = 98133120.

The previous prime is 212927441. The next prime is 212927459. The reversal of 212927452 is 254729212.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212927459) 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, 35049 + ... + 40672.

Almost surely, 2^212927452 is an apocalyptic number.

It is an amenable number.

212927452 is a deficient number, since it is larger than the sum of its proper divisors (189913588).

212927452 is a wasteful number, since it uses less digits than its factorization.

212927452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75781 (or 75779 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 212927452 is about 14592.0338541274. The cubic root of 212927452 is about 597.1414509381.

The spelling of 212927452 in words is "two hundred twelve million, nine hundred twenty-seven thousand, four hundred fifty-two".