212400248 has 32 divisors (see below), whose sum is σ = 402408000. Its totient is φ = 105098880.

The previous prime is 212400241. The next prime is 212400257. The reversal of 212400248 is 842004212.

It is a happy number.

212400248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×212400248² = 90227730700923008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212400241) 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, 492593 + ... + 493023.

It is an arithmetic number, because the mean of its divisors is an integer number (12575250).

Almost surely, 2^212400248 is an apocalyptic number.

It is an amenable number.

212400248 is a deficient number, since it is larger than the sum of its proper divisors (190007752).

212400248 is a wasteful number, since it uses less digits than its factorization.

212400248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 212400248 is about 14573.9578701189. The cubic root of 212400248 is about 596.6482069685.

The spelling of 212400248 in words is "two hundred twelve million, four hundred thousand, two hundred forty-eight".