12000400124012 has 48 divisors (see below), whose sum is σ = 22166147193120. Its totient is φ = 5676803328000.

The previous prime is 12000400124003. The next prime is 12000400124017. The reversal of 12000400124012 is 21042100400021.

It is a super-2 number, since 2×12000400124012² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12000400124017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4143314 + ... + 6416217.

It is an arithmetic number, because the mean of its divisors is an integer number (461794733190).

Almost surely, 2^{12000400124012} is an apocalyptic number.

It is an amenable number.

12000400124012 is a deficient number, since it is larger than the sum of its proper divisors (10165747069108).

12000400124012 is a wasteful number, since it uses less digits than its factorization.

12000400124012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10559762 (or 10559760 counting only the distinct ones).

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

Adding to 12000400124012 its reverse (21042100400021), we get a palindrome (33042500524033).

The spelling of 12000400124012 in words is "twelve trillion, four hundred million, one hundred twenty-four thousand, twelve".