12102011120 has 20 divisors (see below), whose sum is σ = 28137176040. Its totient is φ = 4840804416.

The previous prime is 12102011101. The next prime is 12102011137. The reversal of 12102011120 is 2111020121.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×12102011120³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75637490 + ... + 75637649.

It is an arithmetic number, because the mean of its divisors is an integer number (1406858802).

Almost surely, 2^12102011120 is an apocalyptic number.

12102011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12102011120 is an abundant number, since it is smaller than the sum of its proper divisors (16035164920).

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

12102011120 is a wasteful number, since it uses less digits than its factorization.

12102011120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151275152 (or 151275146 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12102011120 its reverse (2111020121), we get a palindrome (14213031241).

Subtracting from 12102011120 its reverse (2111020121), we obtain a palindrome (9990990999).

The spelling of 12102011120 in words is "twelve billion, one hundred two million, eleven thousand, one hundred twenty".