117212210 has 8 divisors (see below), whose sum is σ = 210981996. Its totient is φ = 46884880.

The previous prime is 117212149. The next prime is 117212213. The reversal of 117212210 is 12212711.

It can be written as a sum of positive squares in 2 ways, for example, as 100180081 + 17032129 = 10009^2 + 4127^2 .

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

It is not an unprimeable number, because it can be changed into a prime (117212213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5860601 + ... + 5860620.

Almost surely, 2^117212210 is an apocalyptic number.

117212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117212210 is a deficient number, since it is larger than the sum of its proper divisors (93769786).

117212210 is a wasteful number, since it uses less digits than its factorization.

117212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11721228.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 117212210 is about 10826.4587931604. The cubic root of 117212210 is about 489.3928478860.

Adding to 117212210 its reverse (12212711), we get a palindrome (129424921).

It can be divided in two parts, 11721 and 2210, that added together give a palindrome (13931).

The spelling of 117212210 in words is "one hundred seventeen million, two hundred twelve thousand, two hundred ten".