212806102 has 8 divisors (see below), whose sum is σ = 337986216. Its totient is φ = 100144032.

The previous prime is 212806067. The next prime is 212806109. The reversal of 212806102 is 201608212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212806109) 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, 3129468 + ... + 3129535.

It is an arithmetic number, because the mean of its divisors is an integer number (42248277).

Almost surely, 2^212806102 is an apocalyptic number.

212806102 is a deficient number, since it is larger than the sum of its proper divisors (125180114).

212806102 is a wasteful number, since it uses less digits than its factorization.

212806102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6259022.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 212806102 is about 14587.8751708397. The cubic root of 212806102 is about 597.0279899374.

The spelling of 212806102 in words is "two hundred twelve million, eight hundred six thousand, one hundred two".