12110021012112 has 20 divisors (see below), whose sum is σ = 31284220948080. Its totient is φ = 4036673670688.

The previous prime is 12110021012101. The next prime is 12110021012119. The reversal of 12110021012112 is 21121012001121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12110021012091 and 12110021012100.

It is not an unprimeable number, because it can be changed into a prime (12110021012119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126146052162 + ... + 126146052257.

It is an arithmetic number, because the mean of its divisors is an integer number (1564211047404).

Almost surely, 2^{12110021012112} is an apocalyptic number.

12110021012112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12110021012112 is an abundant number, since it is smaller than the sum of its proper divisors (19174199935968).

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

12110021012112 is a wasteful number, since it uses less digits than its factorization.

12110021012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252292104430 (or 252292104424 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12110021012112 its reverse (21121012001121), we get a palindrome (33231033013233).

The spelling of 12110021012112 in words is "twelve trillion, one hundred ten billion, twenty-one million, twelve thousand, one hundred twelve".