212312552 has 16 divisors (see below), whose sum is σ = 410928000. Its totient is φ = 102731760.

The previous prime is 212312537. The next prime is 212312591. The reversal of 212312552 is 255213212.

212312552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427802 + ... + 428297.

It is an arithmetic number, because the mean of its divisors is an integer number (25683000).

Almost surely, 2^212312552 is an apocalyptic number.

It is an amenable number.

212312552 is a deficient number, since it is larger than the sum of its proper divisors (198615448).

212312552 is a wasteful number, since it uses less digits than its factorization.

212312552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856136 (or 856132 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 212312552 is about 14570.9489052704. The cubic root of 212312552 is about 596.5660807870.

Adding to 212312552 its reverse (255213212), we get a palindrome (467525764).

The spelling of 212312552 in words is "two hundred twelve million, three hundred twelve thousand, five hundred fifty-two".