12013021021110 has 32 divisors (see below), whose sum is σ = 29534451684192. Its totient is φ = 3125338801920.

The previous prime is 12013021021087. The next prime is 12013021021201. The reversal of 12013021021110 is 1112012031021.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12013021021110.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4883340649 + ... + 4883343108.

It is an arithmetic number, because the mean of its divisors is an integer number (922951615131).

Almost surely, 2^{12013021021110} is an apocalyptic number.

12013021021110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12013021021110 is an abundant number, since it is smaller than the sum of its proper divisors (17521430663082).

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

12013021021110 is a wasteful number, since it uses less digits than its factorization.

12013021021110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9766683808.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 12013021021110 its reverse (1112012031021), we get a palindrome (13125033052131).

The spelling of 12013021021110 in words is "twelve trillion, thirteen billion, twenty-one million, twenty-one thousand, one hundred ten".