12123767996 has 6 divisors (see below), whose sum is σ = 21216594000. Its totient is φ = 6061883996.

The previous prime is 12123767993. The next prime is 12123768023. The reversal of 12123767996 is 69976732121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123767993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1515470996 + ... + 1515471003.

It is an arithmetic number, because the mean of its divisors is an integer number (3536099000).

Almost surely, 2^12123767996 is an apocalyptic number.

It is an amenable number.

12123767996 is a deficient number, since it is larger than the sum of its proper divisors (9092826004).

12123767996 is a wasteful number, since it uses less digits than its factorization.

12123767996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030942003 (or 3030942001 counting only the distinct ones).

The product of its digits is 1714608, while the sum is 53.

The spelling of 12123767996 in words is "twelve billion, one hundred twenty-three million, seven hundred sixty-seven thousand, nine hundred ninety-six".