12212212022 has 8 divisors (see below), whose sum is σ = 18354308400. Its totient is φ = 6094109224.

The previous prime is 12212211983. The next prime is 12212212027. The reversal of 12212212022 is 22021221221.

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 not an unprimeable number, because it can be changed into a prime (12212212027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5997122 + ... + 5999157.

It is an arithmetic number, because the mean of its divisors is an integer number (2294288550).

Almost surely, 2^12212212022 is an apocalyptic number.

12212212022 is a deficient number, since it is larger than the sum of its proper divisors (6142096378).

12212212022 is a wasteful number, since it uses less digits than its factorization.

12212212022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11996790.

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

Adding to 12212212022 its reverse (22021221221), we get a palindrome (34233433243).

The spelling of 12212212022 in words is "twelve billion, two hundred twelve million, two hundred twelve thousand, twenty-two".