12013054051012 has 72 divisors (see below), whose sum is σ = 24569465949504. Its totient is φ = 5124396529728.

The previous prime is 12013054051001. The next prime is 12013054051067. The reversal of 12013054051012 is 21015045031021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 175397718 + ... + 175466194.

It is an arithmetic number, because the mean of its divisors is an integer number (341242582632).

Almost surely, 2^{12013054051012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12013054051012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12284732974752).

12013054051012 is an abundant number, since it is smaller than the sum of its proper divisors (12556411898492).

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

12013054051012 is a wasteful number, since it uses less digits than its factorization.

12013054051012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72665 (or 72656 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 12013054051012 its reverse (21015045031021), we get a palindrome (33028099082033).

The spelling of 12013054051012 in words is "twelve trillion, thirteen billion, fifty-four million, fifty-one thousand, twelve".