212012001122222 has 8 divisors (see below), whose sum is σ = 363449144780976. Its totient is φ = 90862286195232.

The previous prime is 212012001122219. The next prime is 212012001122227. The reversal of 212012001122222 is 222221100210212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212012001122194 and 212012001122203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012001122227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7571857182923 + ... + 7571857182950.

It is an arithmetic number, because the mean of its divisors is an integer number (45431143097622).

Almost surely, 2^{212012001122222} is an apocalyptic number.

212012001122222 is a deficient number, since it is larger than the sum of its proper divisors (151437143658754).

212012001122222 is a wasteful number, since it uses less digits than its factorization.

212012001122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15143714365882.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 212012001122222 its reverse (222221100210212), we get a palindrome (434233101332434).

The spelling of 212012001122222 in words is "two hundred twelve trillion, twelve billion, one million, one hundred twenty-two thousand, two hundred twenty-two".