12001222124 has 12 divisors (see below), whose sum is σ = 21167510784. Its totient is φ = 5953361904.

The previous prime is 12001222117. The next prime is 12001222147. The reversal of 12001222124 is 42122210021.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11811719 + ... + 11812734.

It is an arithmetic number, because the mean of its divisors is an integer number (1763959232).

Almost surely, 2^12001222124 is an apocalyptic number.

It is an amenable number.

12001222124 is a deficient number, since it is larger than the sum of its proper divisors (9166288660).

12001222124 is a wasteful number, since it uses less digits than its factorization.

12001222124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23624584 (or 23624582 counting only the distinct ones).

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

Adding to 12001222124 its reverse (42122210021), we get a palindrome (54123432145).

The spelling of 12001222124 in words is "twelve billion, one million, two hundred twenty-two thousand, one hundred twenty-four".