12012010110 has 48 divisors (see below), whose sum is σ = 33068361456. Its totient is φ = 3014778624.

The previous prime is 12012010099. The next prime is 12012010117. The reversal of 12012010110 is 1101021021.

It is a happy number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12012010092 and 12012010101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12012010117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3923964 + ... + 3927023.

It is an arithmetic number, because the mean of its divisors is an integer number (688924197).

Almost surely, 2^12012010110 is an apocalyptic number.

12012010110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12012010110 is an abundant number, since it is smaller than the sum of its proper divisors (21056351346).

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

12012010110 is a wasteful number, since it uses less digits than its factorization.

12012010110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7851017 (or 7851014 counting only the distinct ones).

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

Adding to 12012010110 its reverse (1101021021), we get a palindrome (13113031131).

The spelling of 12012010110 in words is "twelve billion, twelve million, ten thousand, one hundred ten".