212540362 has 16 divisors (see below), whose sum is σ = 330561000. Its totient is φ = 102370240.

The previous prime is 212540347. The next prime is 212540389. The reversal of 212540362 is 263045212.

It can be written as a sum of positive squares in 4 ways, for example, as 166693921 + 45846441 = 12911^2 + 6771^2 .

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, 22764 + ... + 30712.

Almost surely, 2^212540362 is an apocalyptic number.

212540362 is a deficient number, since it is larger than the sum of its proper divisors (118020638).

212540362 is a wasteful number, since it uses less digits than its factorization.

212540362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8441.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 212540362 is about 14578.7640765601. The cubic root of 212540362 is about 596.7793750374.

Adding to 212540362 its reverse (263045212), we get a palindrome (475585574).

The spelling of 212540362 in words is "two hundred twelve million, five hundred forty thousand, three hundred sixty-two".