12212112022 has 16 divisors (see below), whose sum is σ = 21035217600. Its totient is φ = 5258804040.

The previous prime is 12212112013. The next prime is 12212112047. The reversal of 12212112022 is 22021121221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12212111987 and 12212112005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14607372 + ... + 14608207.

It is an arithmetic number, because the mean of its divisors is an integer number (1314701100).

Almost surely, 2^12212112022 is an apocalyptic number.

12212112022 is a deficient number, since it is larger than the sum of its proper divisors (8823105578).

12212112022 is a wasteful number, since it uses less digits than its factorization.

12212112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29215611.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12212112022 its reverse (22021121221), we get a palindrome (34233233243).

The spelling of 12212112022 in words is "twelve billion, two hundred twelve million, one hundred twelve thousand, twenty-two".