12212022122 has 8 divisors (see below), whose sum is σ = 18354452256. Its totient is φ = 6093871372.

The previous prime is 12212022071. The next prime is 12212022167. The reversal of 12212022122 is 22122021221.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12212022122.

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, 6068588 + ... + 6070599.

It is an arithmetic number, because the mean of its divisors is an integer number (2294306532).

Almost surely, 2^12212022122 is an apocalyptic number.

12212022122 is a deficient number, since it is larger than the sum of its proper divisors (6142430134).

12212022122 is a wasteful number, since it uses less digits than its factorization.

12212022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12139692.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12212022122 its reverse (22122021221), we get a palindrome (34334043343).

Subtracting 12212022122 from its reverse (22122021221), we obtain a palindrome (9909999099).

The spelling of 12212022122 in words is "twelve billion, two hundred twelve million, twenty-two thousand, one hundred twenty-two".