12010110021012 has 24 divisors (see below), whose sum is σ = 28024412256736. Its totient is φ = 4003252548768.

The previous prime is 12010110021011. The next prime is 12010110021029. The reversal of 12010110021012 is 21012001101021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010110021011) 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 7 ways as a sum of consecutive naturals, for example, 14255743 + ... + 15074694.

Almost surely, 2^{12010110021012} is an apocalyptic number.

12010110021012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12010110021012 is an abundant number, since it is smaller than the sum of its proper divisors (16014302235724).

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

12010110021012 is a wasteful number, since it uses less digits than its factorization.

12010110021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29364567 (or 29364565 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12010110021012 its reverse (21012001101021), we get a palindrome (33022111122033).

The spelling of 12010110021012 in words is "twelve trillion, ten billion, one hundred ten million, twenty-one thousand, twelve".