212422124 has 12 divisors (see below), whose sum is σ = 372079344. Its totient is φ = 106113744.

The previous prime is 212422087. The next prime is 212422127. The reversal of 212422124 is 421224212.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 212422096 and 212422105.

It is not an unprimeable number, because it can be changed into a prime (212422127) 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, 19304 + ... + 28239.

It is an arithmetic number, because the mean of its divisors is an integer number (31006612).

Almost surely, 2^212422124 is an apocalyptic number.

It is an amenable number.

212422124 is a deficient number, since it is larger than the sum of its proper divisors (159657220).

212422124 is a wasteful number, since it uses less digits than its factorization.

212422124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48664 (or 48662 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 212422124 is about 14574.7083675798. The cubic root of 212422124 is about 596.6686900396.

Adding to 212422124 its reverse (421224212), we get a palindrome (633646336).

The spelling of 212422124 in words is "two hundred twelve million, four hundred twenty-two thousand, one hundred twenty-four".