12121233788 has 12 divisors (see below), whose sum is σ = 21219061080. Its totient is φ = 6058644912.

The previous prime is 12121233769. The next prime is 12121233797. The reversal of 12121233788 is 88733212121.

It is a congruent number.

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, 479123 + ... + 503786.

It is an arithmetic number, because the mean of its divisors is an integer number (1768255090).

Almost surely, 2^12121233788 is an apocalyptic number.

It is an amenable number.

12121233788 is a deficient number, since it is larger than the sum of its proper divisors (9097827292).

12121233788 is a wasteful number, since it uses less digits than its factorization.

12121233788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985996 (or 985994 counting only the distinct ones).

The product of its digits is 32256, while the sum is 38.

The spelling of 12121233788 in words is "twelve billion, one hundred twenty-one million, two hundred thirty-three thousand, seven hundred eighty-eight".