212046542 has 16 divisors (see below), whose sum is σ = 337111632. Its totient is φ = 99688320.

The previous prime is 212046539. The next prime is 212046551. The reversal of 212046542 is 245640212.

212046542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 41192 + ... + 46052.

It is an arithmetic number, because the mean of its divisors is an integer number (21069477).

Almost surely, 2^212046542 is an apocalyptic number.

212046542 is a deficient number, since it is larger than the sum of its proper divisors (125065090).

212046542 is a wasteful number, since it uses less digits than its factorization.

212046542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 212046542 is about 14561.8179496930. The cubic root of 212046542 is about 596.3168274040.

Adding to 212046542 its reverse (245640212), we get a palindrome (457686754).

The spelling of 212046542 in words is "two hundred twelve million, forty-six thousand, five hundred forty-two".