212024045 has 8 divisors (see below), whose sum is σ = 254721024. Its totient is φ = 169424464.

The previous prime is 212024041. The next prime is 212024069. The reversal of 212024045 is 540420212.

It is a happy number.

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 212024045 - 2² = 212024041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212024041) 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, 19469 + ... + 28338.

It is an arithmetic number, because the mean of its divisors is an integer number (31840128).

Almost surely, 2^212024045 is an apocalyptic number.

It is an amenable number.

212024045 is a deficient number, since it is larger than the sum of its proper divisors (42696979).

212024045 is an equidigital number, since it uses as much as digits as its factorization.

212024045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48699.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 212024045 is about 14561.0454638395. The cubic root of 212024045 is about 596.2957379866.

Adding to 212024045 its reverse (540420212), we get a palindrome (752444257).

The spelling of 212024045 in words is "two hundred twelve million, twenty-four thousand, forty-five".