12010201112112 has 80 divisors (see below), whose sum is σ = 35462972962560. Its totient is φ = 3431071454976.

The previous prime is 12010201112111. The next prime is 12010201112113. The reversal of 12010201112112 is 21121110201021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12010201112111) and next prime (12010201112113).

It is a junction number, because it is equal to n+sod(n) for n = 12010201112091 and 12010201112100.

It is not an unprimeable number, because it can be changed into a prime (12010201112111) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 631339 + ... + 4941557.

It is an arithmetic number, because the mean of its divisors is an integer number (443287162032).

Almost surely, 2^{12010201112112} is an apocalyptic number.

12010201112112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12010201112112 is an abundant number, since it is smaller than the sum of its proper divisors (23452771850448).

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

12010201112112 is a wasteful number, since it uses less digits than its factorization.

12010201112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4318530 (or 4318524 counting only the distinct ones).

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

Adding to 12010201112112 its reverse (21121110201021), we get a palindrome (33131311313133).

It can be divided in two parts, 1201020 and 1112112, that added together give a palindrome (2313132).

The spelling of 12010201112112 in words is "twelve trillion, ten billion, two hundred one million, one hundred twelve thousand, one hundred twelve".