212103324 has 18 divisors (see below), whose sum is σ = 536150160. Its totient is φ = 70701096.

The previous prime is 212103317. The next prime is 212103329. The reversal of 212103324 is 423301212.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 212103297 and 212103306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212103329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2945844 + ... + 2945915.

It is an arithmetic number, because the mean of its divisors is an integer number (29786120).

Almost surely, 2^212103324 is an apocalyptic number.

It is an amenable number.

212103324 is an abundant number, since it is smaller than the sum of its proper divisors (324046836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212103324 is a wasteful number, since it uses less digits than its factorization.

212103324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5891769 (or 5891764 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 212103324 is about 14563.7675070704. The cubic root of 212103324 is about 596.3700500596.

Adding to 212103324 its reverse (423301212), we get a palindrome (635404536).

The spelling of 212103324 in words is "two hundred twelve million, one hundred three thousand, three hundred twenty-four".