12121003222 has 16 divisors (see below), whose sum is σ = 19499531760. Its totient is φ = 5633196192.

The previous prime is 12121003177. The next prime is 12121003249. The reversal of 12121003222 is 22230012121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12121003196 and 12121003205.

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, 3007173 + ... + 3011200.

It is an arithmetic number, because the mean of its divisors is an integer number (1218720735).

Almost surely, 2^12121003222 is an apocalyptic number.

12121003222 is a deficient number, since it is larger than the sum of its proper divisors (7378528538).

12121003222 is a wasteful number, since it uses less digits than its factorization.

12121003222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6018447.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 12121003222 its reverse (22230012121), we get a palindrome (34351015343).

The spelling of 12121003222 in words is "twelve billion, one hundred twenty-one million, three thousand, two hundred twenty-two".