212712070 has 8 divisors (see below), whose sum is σ = 382881744. Its totient is φ = 85084824.

The previous prime is 212712061. The next prime is 212712103. The reversal of 212712070 is 70217212.

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

It is a congruent number.

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, 10635594 + ... + 10635613.

It is an arithmetic number, because the mean of its divisors is an integer number (47860218).

Almost surely, 2^212712070 is an apocalyptic number.

212712070 is a deficient number, since it is larger than the sum of its proper divisors (170169674).

212712070 is a wasteful number, since it uses less digits than its factorization.

212712070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21271214.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 212712070 is about 14584.6518642030. The cubic root of 212712070 is about 596.9400413210.

Adding to 212712070 its reverse (70217212), we get a palindrome (282929282).

The spelling of 212712070 in words is "two hundred twelve million, seven hundred twelve thousand, seventy".