542206212 has 24 divisors (see below), whose sum is σ = 1265524512. Its totient is φ = 180681600.

The previous prime is 542206199. The next prime is 542206219. The reversal of 542206212 is 212602245.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (542206219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74412 + ... + 81372.

It is an arithmetic number, because the mean of its divisors is an integer number (52730188).

Almost surely, 2^542206212 is an apocalyptic number.

It is an amenable number.

542206212 is an abundant number, since it is smaller than the sum of its proper divisors (723318300).

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

542206212 is a wasteful number, since it uses less digits than its factorization.

542206212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13459 (or 13457 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 542206212 is about 23285.3218143963. The cubic root of 542206212 is about 815.4327745295.

Adding to 542206212 its reverse (212602245), we get a palindrome (754808457).

The spelling of 542206212 in words is "five hundred forty-two million, two hundred six thousand, two hundred twelve".