212313054 has 16 divisors (see below), whose sum is σ = 430443792. Its totient is φ = 69801408.

The previous prime is 212313043. The next prime is 212313061. The reversal of 212313054 is 450313212.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 212313054.

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, 241929 + ... + 242804.

It is an arithmetic number, because the mean of its divisors is an integer number (26902737).

Almost surely, 2^212313054 is an apocalyptic number.

212313054 is an abundant number, since it is smaller than the sum of its proper divisors (218130738).

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

212313054 is a wasteful number, since it uses less digits than its factorization.

212313054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484811.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 212313054 is about 14570.9661313174. The cubic root of 212313054 is about 596.5665509680.

Adding to 212313054 its reverse (450313212), we get a palindrome (662626266).

The spelling of 212313054 in words is "two hundred twelve million, three hundred thirteen thousand, fifty-four".