212106708 has 72 divisors (see below), whose sum is σ = 604479680. Its totient is φ = 64270800.

The previous prime is 212106701. The next prime is 212106733. The reversal of 212106708 is 807601212.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212106701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4953 + ... + 21183.

Almost surely, 2^212106708 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212106708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302239840).

212106708 is an abundant number, since it is smaller than the sum of its proper divisors (392372972).

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

212106708 is a wasteful number, since it uses less digits than its factorization.

212106708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16266 (or 16247 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 212106708 is about 14563.8836853361. The cubic root of 212106708 is about 596.3732216357.

The spelling of 212106708 in words is "two hundred twelve million, one hundred six thousand, seven hundred eight".