212340550 has 24 divisors (see below), whose sum is σ = 395651016. Its totient is φ = 84786240.

The previous prime is 212340539. The next prime is 212340551. The reversal of 212340550 is 55043212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212340551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27409 + ... + 34291.

It is an arithmetic number, because the mean of its divisors is an integer number (16485459).

Almost surely, 2^212340550 is an apocalyptic number.

212340550 is a deficient number, since it is larger than the sum of its proper divisors (183310466).

212340550 is a wasteful number, since it uses less digits than its factorization.

212340550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7512 (or 7507 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 212340550 is about 14571.9096209110. The cubic root of 212340550 is about 596.5923030128.

Adding to 212340550 its reverse (55043212), we get a palindrome (267383762).

The spelling of 212340550 in words is "two hundred twelve million, three hundred forty thousand, five hundred fifty".