212313124 has 24 divisors (see below), whose sum is σ = 380593080. Its totient is φ = 103593984.

The previous prime is 212313107. The next prime is 212313133. The reversal of 212313124 is 421313212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 53553124 + 158760000 = 7318^2 + 12600^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38322 + ... + 43510.

It is an arithmetic number, because the mean of its divisors is an integer number (15858045).

Almost surely, 2^212313124 is an apocalyptic number.

It is an amenable number.

212313124 is a deficient number, since it is larger than the sum of its proper divisors (168279956).

212313124 is a wasteful number, since it uses less digits than its factorization.

212313124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5439 (or 5437 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 212313124 is about 14570.9685333543. The cubic root of 212313124 is about 596.5666165310.

Adding to 212313124 its reverse (421313212), we get a palindrome (633626336).

The spelling of 212313124 in words is "two hundred twelve million, three hundred thirteen thousand, one hundred twenty-four".