212313542 has 16 divisors (see below), whose sum is σ = 364154400. Its totient is φ = 90944448.

The previous prime is 212313533. The next prime is 212313583. The reversal of 212313542 is 245313212.

It is a congruent number.

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, 46088 + ... + 50484.

It is an arithmetic number, because the mean of its divisors is an integer number (22759650).

Almost surely, 2^212313542 is an apocalyptic number.

212313542 is a deficient number, since it is larger than the sum of its proper divisors (151840858).

212313542 is a wasteful number, since it uses less digits than its factorization.

212313542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7855.

The product of its digits is 1440, while the sum is 23.

The square root of 212313542 is about 14570.9828769373. The cubic root of 212313542 is about 596.5670080356.

Adding to 212313542 its reverse (245313212), we get a palindrome (457626754).

The spelling of 212313542 in words is "two hundred twelve million, three hundred thirteen thousand, five hundred forty-two".