212200124 has 12 divisors (see below), whose sum is σ = 375824904. Its totient is φ = 104821584.

The previous prime is 212200111. The next prime is 212200127. The reversal of 212200124 is 421002212.

It is a junction number, because it is equal to n+sod(n) for n = 212200099 and 212200108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212200127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319247 + ... + 319910.

It is an arithmetic number, because the mean of its divisors is an integer number (31318742).

Almost surely, 2^212200124 is an apocalyptic number.

It is an amenable number.

212200124 is a deficient number, since it is larger than the sum of its proper divisors (163624780).

212200124 is a wasteful number, since it uses less digits than its factorization.

212200124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639244 (or 639242 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 212200124 is about 14567.0904438738. The cubic root of 212200124 is about 596.4607603164.

Adding to 212200124 its reverse (421002212), we get a palindrome (633202336).

The spelling of 212200124 in words is "two hundred twelve million, two hundred thousand, one hundred twenty-four".