13444515154212 has 24 divisors (see below), whose sum is σ = 33021616168800. Its totient is φ = 4245636364416.

The previous prime is 13444515154211. The next prime is 13444515154219. The reversal of 13444515154212 is 21245151544431.

It is a super-2 number, since 2×13444515154212² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13444515154211) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29483585637 + ... + 29483586092.

It is an arithmetic number, because the mean of its divisors is an integer number (1375900673700).

Almost surely, 2^{13444515154212} is an apocalyptic number.

13444515154212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13444515154212 is an abundant number, since it is smaller than the sum of its proper divisors (19577101014588).

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

13444515154212 is a wasteful number, since it uses less digits than its factorization.

13444515154212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58967171755 (or 58967171753 counting only the distinct ones).

The product of its digits is 384000, while the sum is 42.

Adding to 13444515154212 its reverse (21245151544431), we get a palindrome (34689666698643).

The spelling of 13444515154212 in words is "thirteen trillion, four hundred forty-four billion, five hundred fifteen million, one hundred fifty-four thousand, two hundred twelve".