212336642 has 8 divisors (see below), whose sum is σ = 364005696. Its totient is φ = 91001412.

The previous prime is 212336617. The next prime is 212336651. The reversal of 212336642 is 246633212.

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

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, 7583438 + ... + 7583465.

It is an arithmetic number, because the mean of its divisors is an integer number (45500712).

Almost surely, 2^212336642 is an apocalyptic number.

212336642 is a deficient number, since it is larger than the sum of its proper divisors (151669054).

212336642 is a wasteful number, since it uses less digits than its factorization.

212336642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15166912.

The product of its digits is 10368, while the sum is 29.

The square root of 212336642 is about 14571.7755266817. The cubic root of 212336642 is about 596.5886430162.

Adding to 212336642 its reverse (246633212), we get a palindrome (458969854).

The spelling of 212336642 in words is "two hundred twelve million, three hundred thirty-six thousand, six hundred forty-two".