12121014222 has 12 divisors (see below), whose sum is σ = 26262197520. Its totient is φ = 4040338068.

The previous prime is 12121014209. The next prime is 12121014233. The reversal of 12121014222 is 22241012121.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 673389679 = 12121014222 / (1 + 2 + 1 + 2 + 1 + 0 + 1 + 4 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 12121014195 and 12121014204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 336694822 + ... + 336694857.

It is an arithmetic number, because the mean of its divisors is an integer number (2188516460).

Almost surely, 2^12121014222 is an apocalyptic number.

12121014222 is an abundant number, since it is smaller than the sum of its proper divisors (14141183298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12121014222 is a wasteful number, since it uses less digits than its factorization.

12121014222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673389687 (or 673389684 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12121014222 its reverse (22241012121), we get a palindrome (34362026343).

The spelling of 12121014222 in words is "twelve billion, one hundred twenty-one million, fourteen thousand, two hundred twenty-two".