12100291156 has 12 divisors (see below), whose sum is σ = 21473756640. Its totient is φ = 5964932120.

The previous prime is 12100291013. The next prime is 12100291213. The reversal of 12100291156 is 65119200121.

12100291156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 21303046 + ... + 21303613.

It is an arithmetic number, because the mean of its divisors is an integer number (1789479720).

Almost surely, 2^12100291156 is an apocalyptic number.

It is an amenable number.

12100291156 is a deficient number, since it is larger than the sum of its proper divisors (9373465484).

12100291156 is a wasteful number, since it uses less digits than its factorization.

12100291156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42606734 (or 42606732 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 28.

Adding to 12100291156 its reverse (65119200121), we get a palindrome (77219491277).

The spelling of 12100291156 in words is "twelve billion, one hundred million, two hundred ninety-one thousand, one hundred fifty-six".