12100001012 has 24 divisors (see below), whose sum is σ = 23189906880. Its totient is φ = 5478594560.

The previous prime is 12100000987. The next prime is 12100001029. The reversal of 12100001012 is 21010000121.

It is a super-3 number, since 3×12100001012³ (a number of 31 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 523712 + ... + 546327.

It is an arithmetic number, because the mean of its divisors is an integer number (966246120).

Almost surely, 2^12100001012 is an apocalyptic number.

It is an amenable number.

12100001012 is a deficient number, since it is larger than the sum of its proper divisors (11089905868).

12100001012 is a wasteful number, since it uses less digits than its factorization.

12100001012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1070311 (or 1070309 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 12100001012 its reverse (21010000121), we get a palindrome (33110001133).

The spelling of 12100001012 in words is "twelve billion, one hundred million, one thousand, twelve".