12121114222 has 12 divisors (see below), whose sum is σ = 21150107640. Its totient is φ = 5194763196.

The previous prime is 12121114219. The next prime is 12121114237. The reversal of 12121114222 is 22241112121.

It is a self number, because there is not a number n which added to its sum of digits gives 12121114222.

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, 61842322 + ... + 61842517.

It is an arithmetic number, because the mean of its divisors is an integer number (1762508970).

Almost surely, 2^12121114222 is an apocalyptic number.

12121114222 is a deficient number, since it is larger than the sum of its proper divisors (9028993418).

12121114222 is a wasteful number, since it uses less digits than its factorization.

12121114222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123684855 (or 123684848 counting only the distinct ones).

The product of its digits is 128, while the sum is 19.

Adding to 12121114222 its reverse (22241112121), we get a palindrome (34362226343).

The spelling of 12121114222 in words is "twelve billion, one hundred twenty-one million, one hundred fourteen thousand, two hundred twenty-two".