12051105513414 has 72 divisors (see below), whose sum is σ = 26793539009160. Its totient is φ = 3610816408320.

The previous prime is 12051105513413. The next prime is 12051105513467. The reversal of 12051105513414 is 41431550115021.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12051105513413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4702842 + ... + 6798450.

Almost surely, 2^{12051105513414} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12051105513414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13396769504580).

12051105513414 is an abundant number, since it is smaller than the sum of its proper divisors (14742433495746).

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

12051105513414 is a wasteful number, since it uses less digits than its factorization.

12051105513414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095814 (or 2095714 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 33.

Adding to 12051105513414 its reverse (41431550115021), we get a palindrome (53482655628435).

The spelling of 12051105513414 in words is "twelve trillion, fifty-one billion, one hundred five million, five hundred thirteen thousand, four hundred fourteen".