212332542 has 8 divisors (see below), whose sum is σ = 424665096. Its totient is φ = 70777512.

The previous prime is 212332541. The next prime is 212332583. The reversal of 212332542 is 245233212.

It is a sphenic number, since it is the product of 3 distinct primes.

212332542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212332541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17694373 + ... + 17694384.

It is an arithmetic number, because the mean of its divisors is an integer number (53083137).

Almost surely, 2^212332542 is an apocalyptic number.

212332542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212332542 is a wasteful number, since it uses less digits than its factorization.

212332542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35388762.

The product of its digits is 2880, while the sum is 24.

The square root of 212332542 is about 14571.6348430778. The cubic root of 212332542 is about 596.5848031558.

Adding to 212332542 its reverse (245233212), we get a palindrome (457565754).

The spelling of 212332542 in words is "two hundred twelve million, three hundred thirty-two thousand, five hundred forty-two".