212963522 has 18 divisors (see below), whose sum is σ = 339901497. Its totient is φ = 100053024.

The previous prime is 212963507. The next prime is 212963537. The reversal of 212963522 is 225369212.

212963522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (212963507) and next prime (212963537).

It can be written as a sum of positive squares in 2 ways, for example, as 194909521 + 18054001 = 13961^2 + 4249^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=10319.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 350543 + ... + 351149.

Almost surely, 2^212963522 is an apocalyptic number.

212963522 is a deficient number, since it is larger than the sum of its proper divisors (126937975).

212963522 is an frugal number, since it uses more digits than its factorization.

212963522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250 (or 626 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 212963522 is about 14593.2697501280. The cubic root of 212963522 is about 597.1751677053.

Multiplying 212963522 by its sum of digits (32), we get a square (6814832704 = 82552²).

The spelling of 212963522 in words is "two hundred twelve million, nine hundred sixty-three thousand, five hundred twenty-two".