212243040106 has 8 divisors (see below), whose sum is σ = 318367126080. Its totient is φ = 106120664748.

The previous prime is 212243040101. The next prime is 212243040131. The reversal of 212243040106 is 601040342212.

It is a happy number.

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 (212243040101) 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, 51186 + ... + 653533.

It is an arithmetic number, because the mean of its divisors is an integer number (39795890760).

Almost surely, 2^212243040106 is an apocalyptic number.

212243040106 is a deficient number, since it is larger than the sum of its proper divisors (106124085974).

212243040106 is a wasteful number, since it uses less digits than its factorization.

212243040106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855308.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 212243040106 its reverse (601040342212), we get a palindrome (813283382318).

The spelling of 212243040106 in words is "two hundred twelve billion, two hundred forty-three million, forty thousand, one hundred six".