13145220011412 has 72 divisors (see below), whose sum is σ = 34694478838656. Its totient is φ = 4188621036864.

The previous prime is 13145220011383. The next prime is 13145220011423. The reversal of 13145220011412 is 21411002254131.

13145220011412 is a `hidden beast` number, since 1 + 3 + 1 + 45 + 2 + 200 + 1 + 1 + 412 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3609003 + ... + 6270194.

It is an arithmetic number, because the mean of its divisors is an integer number (481867761648).

Almost surely, 2^{13145220011412} is an apocalyptic number.

13145220011412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13145220011412 is an abundant number, since it is smaller than the sum of its proper divisors (21549258827244).

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

13145220011412 is a wasteful number, since it uses less digits than its factorization.

13145220011412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9880837 (or 9880832 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 13145220011412 its reverse (21411002254131), we get a palindrome (34556222265543).

The spelling of 13145220011412 in words is "thirteen trillion, one hundred forty-five billion, two hundred twenty million, eleven thousand, four hundred twelve".