12110400012 has 12 divisors (see below), whose sum is σ = 28257600056. Its totient is φ = 4036800000.

The previous prime is 12110399981. The next prime is 12110400017. The reversal of 12110400012 is 21000401121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1009200001 = 12110400012 / (1 + 2 + 1 + 1 + 0 + 4 + 0 + 0 + 0 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (12110400017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504599989 + ... + 504600012.

Almost surely, 2^12110400012 is an apocalyptic number.

12110400012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12110400012 is an abundant number, since it is smaller than the sum of its proper divisors (16147200044).

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

12110400012 is a wasteful number, since it uses less digits than its factorization.

12110400012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009200008 (or 1009200006 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12110400012 its reverse (21000401121), we get a palindrome (33110801133).

The spelling of 12110400012 in words is "twelve billion, one hundred ten million, four hundred thousand, twelve".