212212102 has 8 divisors (see below), whose sum is σ = 335071800. Its totient is φ = 100521504.

The previous prime is 212212093. The next prime is 212212123. The reversal of 212212102 is 201212212.

It is a happy number.

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, 2792227 + ... + 2792302.

It is an arithmetic number, because the mean of its divisors is an integer number (41883975).

Almost surely, 2^212212102 is an apocalyptic number.

212212102 is a deficient number, since it is larger than the sum of its proper divisors (122859698).

212212102 is a wasteful number, since it uses less digits than its factorization.

212212102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5584550.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 212212102 is about 14567.5015702762. The cubic root of 212212102 is about 596.4719828555.

Adding to 212212102 its reverse (201212212), we get a palindrome (413424314).

The spelling of 212212102 in words is "two hundred twelve million, two hundred twelve thousand, one hundred two".