12101040012 has 24 divisors (see below), whose sum is σ = 28246220800. Its totient is φ = 4032185616.

The previous prime is 12101039963. The next prime is 12101040013. The reversal of 12101040012 is 21004010121.

It is a happy number.

12101040012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12101040012.

It is not an unprimeable number, because it can be changed into a prime (12101040013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152812 + ... + 218067.

Almost surely, 2^12101040012 is an apocalyptic number.

12101040012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12101040012 is an abundant number, since it is smaller than the sum of its proper divisors (16145180788).

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

12101040012 is a wasteful number, since it uses less digits than its factorization.

12101040012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373605 (or 373603 counting only the distinct ones).

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

Adding to 12101040012 its reverse (21004010121), we get a palindrome (33105050133).

The spelling of 12101040012 in words is "twelve billion, one hundred one million, forty thousand, twelve".