212323054 has 16 divisors (see below), whose sum is σ = 321230448. Its totient is φ = 105250432.

The previous prime is 212323039. The next prime is 212323087. The reversal of 212323054 is 450323212.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135942 + ... + 137494.

It is an arithmetic number, because the mean of its divisors is an integer number (20076903).

Almost surely, 2^212323054 is an apocalyptic number.

212323054 is a deficient number, since it is larger than the sum of its proper divisors (108907394).

212323054 is a wasteful number, since it uses less digits than its factorization.

212323054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2099.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 212323054 is about 14571.3092754220. The cubic root of 212323054 is about 596.5759169674.

Adding to 212323054 its reverse (450323212), we get a palindrome (662646266).

The spelling of 212323054 in words is "two hundred twelve million, three hundred twenty-three thousand, fifty-four".