12000111020100 has 216 divisors, whose sum is σ = 44876606150880. Its totient is φ = 2742882488640.

The previous prime is 12000111020077. The next prime is 12000111020123. The reversal of 12000111020100 is 102011100021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12000111020077) and next prime (12000111020123).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 45219594 + ... + 45484193.

Almost surely, 2^{12000111020100} is an apocalyptic number.

12000111020100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000111020100 is an abundant number, since it is smaller than the sum of its proper divisors (32876495130780).

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

12000111020100 is a wasteful number, since it uses less digits than its factorization.

12000111020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90703824 (or 90703804 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12000111020100 its reverse (102011100021), we get a palindrome (12102122120121).

The spelling of 12000111020100 in words is "twelve trillion, one hundred eleven million, twenty thousand, one hundred".