12002726216838 has 24 divisors (see below), whose sum is σ = 27924709974552. Its totient is φ = 3429350347584.

The previous prime is 12002726216813. The next prime is 12002726216839. The reversal of 12002726216838 is 83861262720021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002726216839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20412799395 + ... + 20412799982.

It is an arithmetic number, because the mean of its divisors is an integer number (1163529582273).

Almost surely, 2^{12002726216838} is an apocalyptic number.

12002726216838 is an abundant number, since it is smaller than the sum of its proper divisors (15921983757714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12002726216838 is a wasteful number, since it uses less digits than its factorization.

12002726216838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40825599396 (or 40825599389 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

Adding to 12002726216838 its reverse (83861262720021), we get a palindrome (95863988936859).

The spelling of 12002726216838 in words is "twelve trillion, two billion, seven hundred twenty-six million, two hundred sixteen thousand, eight hundred thirty-eight".