12120271804 has 12 divisors (see below), whose sum is σ = 21219972984. Its totient is φ = 6057422384.

The previous prime is 12120271799. The next prime is 12120271831. The reversal of 12120271804 is 40817202121.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668314 + ... + 686209.

It is an arithmetic number, because the mean of its divisors is an integer number (1768331082).

Almost surely, 2^12120271804 is an apocalyptic number.

It is an amenable number.

12120271804 is a deficient number, since it is larger than the sum of its proper divisors (9099701180).

12120271804 is a wasteful number, since it uses less digits than its factorization.

12120271804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356764 (or 1356762 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

Adding to 12120271804 its reverse (40817202121), we get a palindrome (52937473925).

The spelling of 12120271804 in words is "twelve billion, one hundred twenty million, two hundred seventy-one thousand, eight hundred four".