212222222012102 has 8 divisors (see below), whose sum is σ = 318333840625416. Its totient is φ = 106110941803632.

The previous prime is 212222222012093. The next prime is 212222222012117. The reversal of 212222222012102 is 201210222222212.

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

It is a super-2 number, since 2×212222222012102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83027543 + ... + 85545410.

It is an arithmetic number, because the mean of its divisors is an integer number (39791730078177).

Almost surely, 2^{212222222012102} is an apocalyptic number.

212222222012102 is a deficient number, since it is larger than the sum of its proper divisors (106111618613314).

212222222012102 is a wasteful number, since it uses less digits than its factorization.

212222222012102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169202422.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 212222222012102 its reverse (201210222222212), we get a palindrome (413432444234314).

The spelling of 212222222012102 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred twenty-two million, twelve thousand, one hundred two".